TOPHACKERONE.md

Top reports from HackerOne program at HackerOne:

1. Account takeover via leaked session cookie to HackerOne - 1498 upvotes, $20000
2. Confidential data of users and limited metadata of programs and reports accessible via GraphQL to HackerOne - 972 upvotes, $20000
3. WannaCrypt “Killswitch” to HackerOne - 797 upvotes, $10000
4. Email address of any user can be queried on Report Invitation GraphQL type when username is known to HackerOne - 621 upvotes, $8500
5. Customer private program can disclose email any users through invited via username to HackerOne - 563 upvotes, $7500
6. profile-picture name parameter with large value lead to DoS for other users and programs on the platform to HackerOne - 460 upvotes, $2500
7. How the Bug stole hacking to HackerOne - 444 upvotes, $0
8. June 2022 Incident Report to HackerOne - 392 upvotes, $0
9. Reflected XSS on www.hackerone.com and resources.hackerone.com to HackerOne - 353 upvotes, $500
10. Hackerone is not properly deleting user id to HackerOne - 340 upvotes, $2500
11. Partial disclosure of report activity through new "Export as .zip" feature to HackerOne - 332 upvotes, $10000
12. Getting New Invitations without Leaving Programs to HackerOne - 314 upvotes, $500
13. An attacker can archive and unarchive any structured scope object on HackerOne to HackerOne - 279 upvotes, $12500
14. Team member with Program permission only can escalate to Admin permission to HackerOne - 256 upvotes, $2500
15. Information Disclosure in /skills call to HackerOne - 252 upvotes, $10000
16. Internal attachments can be exported via "Export as .zip" feature to HackerOne - 248 upvotes, $12500
17. Denial of service via cache poisoning to HackerOne - 231 upvotes, $2500
18. Cross-site Scripting (XSS) on HackerOne careers page to HackerOne - 224 upvotes, $500
19. Reflected XSS on www.hackerone.com via Wistia embed code to HackerOne - 223 upvotes, $500
20. Manipulate hacker profile and private program hacktivity to expose your name as researchers who is actively submitting reports with resolve status to HackerOne - 203 upvotes, $500
21. Static files on HackerOne.com can be made inaccessible through Cache Poisoning attack to HackerOne - 202 upvotes, $2500
22. Race condition in performing retest allows duplicated payments to HackerOne - 200 upvotes, $2100
23. HackerOne making payments in USDC (Coinbase stable coin) to HackerOne - 196 upvotes, $1
24. Uploading large payload on domain instructions causes server-side DoS to HackerOne - 192 upvotes, $2500
25. 2020-10-09 Credential Stuffing Attack to HackerOne - 192 upvotes, $0
26. HackerOne Jira integration plugin Leaked JWT to unauthorized jira users to HackerOne - 190 upvotes, $3000
27. DOM Based XSS in www.hackerone.com via PostMessage to HackerOne - 188 upvotes, $500
28. Indexing of urls on the "External link warning" pages discloses many vulnerable endpoints from the past and unlisted videos/photos to HackerOne - 187 upvotes, $2500
29. An invite-only's program submission state is accessible to users no longer part of the program to HackerOne - 183 upvotes, $500
30. Markdown parsing issue enables insertion of malicious tags and event handlers to HackerOne - 180 upvotes, $5000
31. Unauthorized access to metadata of undisclosed reports that were retested to HackerOne - 179 upvotes, $2500
32. Hacker can bypass 2FA requirement and reporter blacklist through embedded submission form to HackerOne - 176 upvotes, $10000
33. Disclosure of payment_transactions for programs via GraphQL query to HackerOne - 171 upvotes, $2500
34. 404-response contains debug-information with all headers to HackerOne - 164 upvotes, $500
35. Total Paid Bounty Paid can be disclose to HackerOne - 158 upvotes, $500
36. Unreleased CTF Levels are Revealed on /group/user/ID1?user=USERID endpoint to HackerOne - 153 upvotes, $500
37. Hacker.One Subdomain Takeover to HackerOne - 152 upvotes, $1000
38. Web Authentication Endpoint Credentials Brute-Force Vulnerability to HackerOne - 150 upvotes, $1500
39. IE only: stored Cross-Site Scripting (XSS) vulnerability through Program Asset identifier to HackerOne - 148 upvotes, $2500
40. SQL injection in GraphQL endpoint through embedded_submission_form_uuid parameter to HackerOne - 147 upvotes, $0
41. Discrepancy in hacker profile report count may reveal existence of a private program by publishing a report to HackerOne - 143 upvotes, $3000
42. Stealing contact form data on www.hackerone.com using Marketo Forms XSS with postMessage frame-jumping and jQuery-JSONP to HackerOne - 141 upvotes, $1500
43. Stored XSS in IE11 on hackerone.com via custom fields to HackerOne - 140 upvotes, $2500
44. Client-Side Race Condition using Marketo, allows sending user to data-protocol in Safari when form without onSuccess is submitted on www.hackerone.com to HackerOne - 140 upvotes, $1250
45. Team object in GraphQL disclosed private_comment to HackerOne - 139 upvotes, $2500
46. Banned researcher gets email updates on a private program. to HackerOne - 137 upvotes, $500
47. Unauthorized user can obtain report_sources attribute through Team GraphQL object to HackerOne - 136 upvotes, $2500
48. h1-202 leaderboard photo discloses local wifi password to HackerOne - 136 upvotes, $500
49. Slack integration setup lacks CSRF protection to HackerOne - 134 upvotes, $2500
50. Private program disclosure via vpn_suspended GraphQL query to HackerOne - 131 upvotes, $2500
51. Blind SSRF on errors.hackerone.net due to Sentry misconfiguration to HackerOne - 130 upvotes, $3500
52. Subdomain takeover at info.hacker.one to HackerOne - 130 upvotes, $1000
53. Disclose any user's private email through API to HackerOne - 128 upvotes, $2000
54. Searching from Hacktivity returns hits for words in limited disclosure reports that are not visible to HackerOne - 126 upvotes, $2500
55. Content spoofing and potential Cross-Site Scripting vulnerability on www.hackerone.com to HackerOne - 123 upvotes, $5000
56. Race Condition leads to undeletable group member to HackerOne - 121 upvotes, $500
57. Disclosure handle private program with external link to HackerOne - 117 upvotes, $2500
58. Internal Gitlab Ticket Disclosure via External Slack Channels to HackerOne - 115 upvotes, $7500
59. Account recovery text message is sending a wrong domain to users. to HackerOne - 112 upvotes, $500
60. Leaked H1's Employees Email addresses,meeting info on private bug bounty program ████████ to HackerOne - 111 upvotes, $2500
61. Emails of invited collaborators are disclosed in full in payload for report participants to HackerOne - 110 upvotes, $1500
62. ActiveStorage throws exception when using whitespace as filename, may lead to denial of service of multiple pages to HackerOne - 109 upvotes, $2500
63. @wearehackerone.com is vulnerable to namespace attacks due to hackerone.com not being RFC2142 compliant. to HackerOne - 105 upvotes, $0
64. Race Conditions in Popular reports feature. to HackerOne - 104 upvotes, $500
65. DOM Based XSS in www.hackerone.com via PostMessage (bypass of #398054) to HackerOne - 103 upvotes, $565
66. Recently added 'Country' field doesn't send email notification when changed to HackerOne - 102 upvotes, $500
67. GraphQL field on Team node can be used to determine if External Program runs invite-only program to HackerOne - 99 upvotes, $2500
68. [Bypass #645264] Report title disclosure despite the program settings for email notification is set to "No Content" to HackerOne - 97 upvotes, $500
69. Subdomain takeover of resources.hackerone.com to HackerOne - 94 upvotes, $500
70. Attacker with an Old account might still be able to DoS ctf.hacker101.com by sending a Crafted request to HackerOne - 92 upvotes, $500
71. Harvesting all private invites using leave program fast-tracked invitation and security@ email forwarding feature to HackerOne - 90 upvotes, $2500
72. Blind XSS in app.pullrequest.com/████████ via /reviews/ratings/{uuid} to HackerOne - 89 upvotes, $2500
73. Reading redacted data via hackbot's answers to HackerOne - 89 upvotes, $1500
74. A user can bypass approval step in Hacker Publishing feature, allowing them to publish reports immediately to HackerOne - 88 upvotes, $2500
75. Team object in GraphQL disclosed total number of whitelisted hackers to HackerOne - 86 upvotes, $2500
76. Password not checked when disabling 2FA on HackerOne to HackerOne - 81 upvotes, $500
77. Unauthenticated user can upload an attachment to the last updated report draft to HackerOne - 80 upvotes, $0
78. Security@ email forwarding and Embedded Submission drafts can be used to obtain copy of deleted attachments from other HackerOne users to HackerOne - 80 upvotes, $0
79. Denial Of Service (Out Of Memory) on Updating Bounty Table [Urgent] to HackerOne - 79 upvotes, $0
80. Improper UUID validation results in bypass of #419896 to HackerOne - 78 upvotes, $7500
81. Subdomain takeover #2 at info.hacker.one to HackerOne - 78 upvotes, $1000
82. "Bounties paid in the last 90 days" discloses the undisclosed bounty amount in program statistics to HackerOne - 78 upvotes, $500
83. latest_activity_id and latest_activity_at may disclose information about internal activities to unauthorized users to HackerOne - 76 upvotes, $1000
84. Private information exposed through GraphQL filters to HackerOne - 74 upvotes, $0
85. Race Condition in Flag Submission to HackerOne - 73 upvotes, $500
86. Pentester can obtain information about other pentesters who applied for the same test, but weren't accepted to HackerOne - 73 upvotes, $500
87. Blind Stored XSS in HackerOne's Sal 4.1.4.2149 (sal.████.com) to HackerOne - 73 upvotes, $0
88. Near to Infinite loop when changing Group's name that has API token as Team Member to HackerOne - 72 upvotes, $2500
89. A HackerOne employee's GitHub personal access token exposed in Travis CI build logs to HackerOne - 72 upvotes, $2000
90. Team object in GraphQL discloses team group names and permissions to HackerOne - 70 upvotes, $2500
91. Homograph fix Bypass to HackerOne - 70 upvotes, $750
92. The request tells the number of private programs, the new system of authorization /invite/token to HackerOne - 69 upvotes, $2000
93. Potential stored Cross-Site Scripting vulnerability in Support Backend to HackerOne - 69 upvotes, $0
94. Deprecated Hacker101 coursework repository mentions Heroku App that is susceptible to takeover to HackerOne - 68 upvotes, $500
95. Team object in GraphQL disclosed of private programs via the industry to HackerOne - 68 upvotes, $500
96. Making program preference -> program visibilty feature usless and disclosing API Identifier in the progress and data that may cause potential IDORS. to HackerOne - 68 upvotes, $500
97. The hacker has access to the administrative part of the management reports in publish report to HackerOne - 68 upvotes, $500
98. Reporter, external users, collaborators can mark sent swag awarded to reporter as unsent to HackerOne - 68 upvotes, $0
99. Inline banner on Report page discloses whether organization runs a private program to HackerOne - 67 upvotes, $500
100. Validation message in Bounty award endpoint can be used to determine program balances to HackerOne - 66 upvotes, $1500
101. Login CSRF vulnerability on hackerone.com to HackerOne - 66 upvotes, $500
102. HTTP Parameter Pollution using semicolons in iframe element at hackerone.com/careers allows loading external Greenhouse forms to HackerOne - 63 upvotes, $500
103. Second-order SOQL injection through email and campaign name parameter in Salesforce lead submission to HackerOne - 63 upvotes, $0
104. Hackers can find out the ID of private programs to HackerOne - 63 upvotes, $0
105. Attachment object in GraphQL continues to grant access to files, even if they are removed from rendering to HackerOne - 63 upvotes, $0
106. Race condition leads to duplicate payouts to HackerOne - 62 upvotes, $750
107. Partial report contents leakage - via HTTP/2 concurrent stream handling to HackerOne - 61 upvotes, $2500
108. Query parameter reordering causes redirect page to render unsafe URL to HackerOne - 61 upvotes, $1500
109. Disclosure of Email title report in quick award paypout email (no content mode) to HackerOne - 61 upvotes, $500
110. HTML Injection in email via Name field to HackerOne - 61 upvotes, $500
111. Any user with access to program can resume and suspend HackerOne Gateway to HackerOne - 60 upvotes, $0
112. Program metrics disclosed response_efficiency_percentage via /program_name json response despite the team decided not to show on their profile to HackerOne - 59 upvotes, $2500
113. Bypass rate limiting on /users/password (possibly site-wide rate limit bypass?) to HackerOne - 59 upvotes, $500
114. Report Private Links Leaks to Google Analytics via Query String Param to HackerOne - 59 upvotes, $0
115. Stored XSS on https://events.hackerone.com to HackerOne - 58 upvotes, $0
116. Team object exposes amount of participants in a private program to non-invited users to HackerOne - 57 upvotes, $5000
117. Subdomain takeover #3 at info.hacker.one to HackerOne - 57 upvotes, $1000
118. HackerOne Staging uses Production data for testing to HackerOne - 57 upvotes, $1000
119. TeamProfile exposes partially sensitive information through GraphQL to HackerOne - 57 upvotes, $500
120. Unauthenticated users can obtain information about Checklist objects with unclaimed ChecklistCheck objects to HackerOne - 57 upvotes, $0
121. Invalid Host detection at https://hackerone.com/redirect to HackerOne - 56 upvotes, $500
122. Private program disclosure of ██████████ through notifications to HackerOne - 53 upvotes, $500
123. IDOR in Report CSV export discloses the IDs of Custom Field Attributes of Programs to HackerOne - 53 upvotes, $0
124. Private program policy page still accessible after user left the program to HackerOne - 52 upvotes, $2500
125. Open Redirection in index.php page to HackerOne - 52 upvotes, $250
126. Any organization's assets pending review can be downloaded to HackerOne - 52 upvotes, $0
127. Extra program metrics disclosed via /PROGRAM_NAME json response to HackerOne - 51 upvotes, $500
128. HackerOne customer submitted sensitive link to VirusTotal, exposing confidential information to HackerOne - 51 upvotes, $350
129. IDOR on HackerOne Feedback Review to HackerOne - 51 upvotes, $0
130. Open Redirect on http://events.hackerone.com/redirect?url=https://naglinagli.github.io to HackerOne - 51 upvotes, $0
131. Pixel flood attack to HackerOne - 50 upvotes, $500
132. Parameter pollution in social sharing buttons to HackerOne - 50 upvotes, $500
133. Websites opened from reports can change url of report page to HackerOne - 50 upvotes, $500
134. Subdomain takeover #4 at info.hacker.one to HackerOne - 50 upvotes, $500
135. Email Forwarding invitations for Drafts are not marked as accepted, allowing multiple users to join a program after disabling Email Forwarding to HackerOne - 50 upvotes, $500
136. Total bounties paid amount is disclosed because of redesign of the Program Profiles to HackerOne - 49 upvotes, $500
137. New link opening method makes hackerone vulnerable to tabnabbing to HackerOne - 48 upvotes, $500
138. Changing the 2FA secret key and backup codes without knowing the 2FA OTP to HackerOne - 48 upvotes, $0
139. View HackerOne challenge scope before challenge begins to HackerOne - 47 upvotes, $500
140. Embedded submission form UUIDs can be enumerated through GraphQL node interface, exposing sensitive program details to HackerOne - 46 upvotes, $0
141. Domain spoofing in redirect page using RTLO to HackerOne - 45 upvotes, $500
142. Custom Field Attributes may be created and updated for customers with Custom Field Trial enabled to HackerOne - 45 upvotes, $0
143. Hogging up all the resources on hackerone.com to HackerOne - 44 upvotes, $500
144. Race condition in claiming program credentials to HackerOne - 44 upvotes, $500
145. Disclosing a private program in an external link if program is paused to HackerOne - 44 upvotes, $500
146. Adding or removing a new non-preferred payout method does not trigger an e-mail or account notification to HackerOne - 43 upvotes, $500
147. Content Security Policy not applied to error pages at multiple HackerOne endpoints to HackerOne - 43 upvotes, $500
148. ImageMagick GIF coder vulnerability leading to memory disclosure to HackerOne - 43 upvotes, $500
149. HackerOne support disclosing report state without checking user identity to HackerOne - 43 upvotes, $500
150. Response program can display "eligible for bounty" in scope area in program policy to HackerOne - 43 upvotes, $500
151. Repeated mediation requests and multiple emails possible on a report. to HackerOne - 43 upvotes, $500
152. Disclosure of the name of a program that has a private part with an external link to HackerOne - 43 upvotes, $500
153. "Bounty splitting enabled" can discloses if public VDPs are running private VRP to HackerOne - 43 upvotes, $500
154. API Last Request Date/Time Not Updating to HackerOne - 42 upvotes, $0
155. Report Duplicate Detector can match deleted and draft reports, may disclose title and vulnerability information to HackerOne - 42 upvotes, $0
156. Google Analytics could be used as CSP bypass for data exfiltration on hackerone.com to HackerOne - 41 upvotes, $500
157. (HackerOne SSO-SAML) Login CSRF, Open Redirect, and Self-XSS Possible Exploitation to HackerOne - 41 upvotes, $0
158. GraphQL node interface for ActiveResource models lacks encoding for resource identifier, enabling parameter injection in Payments backend to HackerOne - 41 upvotes, $0
159. The possibility of disrupting the normal operation of frontend using markdown to HackerOne - 41 upvotes, $0
160. IE 11 Self-XSS on Jira Integration Preview Base Link to HackerOne - 40 upvotes, $750
161. Hacktivity of a private program visible to banned user if he gets invited to a program by hackbot to HackerOne - 40 upvotes, $500
162. User with privilege to maintain External Programs can update certain churned HackerOne programs to HackerOne - 40 upvotes, $500
163. Proper verification is not done before sending invitations to researchers for certain private programs with rules e.g. "Participants must be US-based" to HackerOne - 39 upvotes, $2500
164. Disclosure of Program email Title Report when being removed as contributor. Bypass for Report #645264 to HackerOne - 39 upvotes, $500
165. Open redirect vulnerability in index.php to HackerOne - 39 upvotes, $0
166. Disclosure of top 10 vulnerability types for programs that haven't enabled the Insights feature to HackerOne - 38 upvotes, $500
167. Path traversal leading to limited CSRF on GET requests on two endpoints to HackerOne - 38 upvotes, $500
168. Report Bulk endpoint "agree-on-going-public" action may reveal Report disclosure state for invite-only programs to HackerOne - 38 upvotes, $500
169. Team object in GraphQL that have a published external program may expose existence of a private program to HackerOne - 38 upvotes, $0
170. Common response suggestion is sent to Google Analytics when user accepts duplicate comment Genius suggestion to HackerOne - 37 upvotes, $500
171. Revoking user session in https://hackerone.com/settings/sessions does not revoke the GraphQL query session to HackerOne - 37 upvotes, $500
172. User login page doesn't implement any form of rate limiting to HackerOne - 37 upvotes, $500
173. AWS S3 bucket writeable for authenticated aws users to HackerOne - 36 upvotes, $2500
174. Missing SPF for hackerone.com to HackerOne - 36 upvotes, $500
175. Ability to invite a new member on Sandbox Program to HackerOne - 36 upvotes, $500
176. Private program email forwarding response invitation not expire after first use. to HackerOne - 36 upvotes, $0
177. Updating payout preference to CurrencyCloud doesn't notify user via email to HackerOne - 35 upvotes, $500
178. HackerOne Integrations Design Issue to HackerOne - 35 upvotes, $500
179. Report invitation links not restricted to any existing user to HackerOne - 34 upvotes, $500
180. HackerOne reports escalation to JIRA is CSRF vulnerable to HackerOne - 34 upvotes, $500
181. Changing Victim's JIRA Integration Settings Through Multiple Bugs to HackerOne - 33 upvotes, $1000
182. Information leakage of private program to HackerOne - 33 upvotes, $500
183. Invitation token leaks to https://bat.bing.com to HackerOne - 33 upvotes, $500
184. Private program disclosure through notifications to HackerOne - 33 upvotes, $500
185. Internal usage of AdBlockPlus may expose PoC URLs to unknown third-parties to HackerOne - 32 upvotes, $0
186. Accidental Access to Programs Information via SAML Login to HackerOne - 32 upvotes, $0
187. Timing attack towards endpoints on the web without CSRF to HackerOne - 32 upvotes, $0
188. Open Redirection in [https://www.hackerone.com/index.php] to HackerOne - 32 upvotes, $0
189. Lack warning label when receiving a letter to HackerOne - 32 upvotes, $0
190. View Any Program's Team Members through GET https://hackerone.com/invitations/ to HackerOne - 31 upvotes, $1000
191. Response program can create bounty table to HackerOne - 31 upvotes, $500
192. Program Email Nofication settings ignored when being added as an external contributor to HackerOne - 31 upvotes, $500
193. Real impersonation to HackerOne - 31 upvotes, $100
194. Hackers can reveal the names of private programs that have an external link and Enterprise Product Edition to HackerOne - 31 upvotes, $0
195. RCE in profile picture upload to HackerOne - 30 upvotes, $2500
196. Non-secure requests are not automatically upgraded to HTTPS to HackerOne - 30 upvotes, $500
197. CSRF at [Apply to this program] that lead to submit your request automatic with out any validations to HackerOne - 30 upvotes, $500
198. Invitation tokens leak to Google Analytics to HackerOne - 30 upvotes, $0
199. Attacker can claim credentials for private program that has a published external program to HackerOne - 30 upvotes, $0
200. A small set of users were assigned someone else's payout preference to HackerOne - 30 upvotes, $0
201. Reflected XSS and possible SSRF/XXE on https://events.hackerone.com/conferences/get_recording_slides_xml.xml?url=myserver/xss.xml to HackerOne - 30 upvotes, $0
202. User's who are banned from program can still be invited to the new reports as collaborators to HackerOne - 30 upvotes, $0
203. Information leakage via CSV when content is valid JavaScript to HackerOne - 29 upvotes, $750
204. GIF flooding to HackerOne - 29 upvotes, $250
205. HackerOne Pentesters can access any structured scope object through GraphQL node interface to HackerOne - 29 upvotes, $0
206. Upload profile photo from URL to HackerOne - 28 upvotes, $500
207. Program profile metrics endpoint contains mean time to triage, even when turned off to HackerOne - 28 upvotes, $500
208. Disclosure of h1 challenges name through the calendar to HackerOne - 28 upvotes, $500
209. Information disclosure - Feedback is accessible on Public profile even after 'disallowed' at https://hackerone.com/settings/feedback to HackerOne - 28 upvotes, $500
210. Blind SSRF in "Integrations" by abusing a bug in Ruby's native resolver. to HackerOne - 28 upvotes, $0
211. Read-only team members can read all properties of webhooks to HackerOne - 28 upvotes, $0
212. Hacker can bypass minimum bounty amount restrictions in "invitation preferences" setting via UpdateInvitationPreferencesMutation GraphQL operation to HackerOne - 28 upvotes, $0
213. Report redaction doesn't apply to report title update activities to HackerOne - 27 upvotes, $0
214. Editing Pentest Summary Report Answers After Submitting Them to HackerOne - 27 upvotes, $0
215. Submitting report through Embedded Submission form gives user indefinite access to a profile to HackerOne - 26 upvotes, $500
216. Program profile_metrics.json contains time to triage for deptofdefense even it's turned off to HackerOne - 26 upvotes, $250
217. Able To Check The Exact Bounty Balance of any Bug Bounty Program to HackerOne - 26 upvotes, $0
218. resolved bugs in a program are public despite the program settings to HackerOne - 25 upvotes, $500
219. Attachment references in markdown don't warn before downloading to HackerOne - 25 upvotes, $500
220. Email spoofing to HackerOne - 25 upvotes, $250
221. DNS Cache Poisoning to HackerOne - 25 upvotes, $100
222. Unicorn worker pool exhaustion by continuously updating payout preferences to HackerOne - 25 upvotes, $0
223. IDOR in Bugs overview enables attacker to determine the date range a hackathon was active to HackerOne - 25 upvotes, $0
224. Transitioning a Private Program to Public Does Not Clear Previously Private Updates to Hackers to HackerOne - 24 upvotes, $500
225. A user can request a report to be retested even though the program has not been verified by HackerOne to HackerOne - 24 upvotes, $500
226. Dangling cloud instance at vpn.inverselink.com to HackerOne - 24 upvotes, $500
227. Broken Authentication and session management OWASP A2 to HackerOne - 24 upvotes, $100
228. User object in GraphQL exposes number of trial reports for External Programs that also have a Private Program to HackerOne - 24 upvotes, $0
229. A team member of the program with Report rights can ban the Admin to HackerOne - 24 upvotes, $0
230. Stored Cross-Site Scripting vulnerability in example Custom Digital Agreement to HackerOne - 24 upvotes, $0
231. People who interviewed for HackerOne security analyst position can be enumerated and their personal email address may be exposed to HackerOne - 23 upvotes, $500
232. Private invitation links/tokens leak to third-party analytics site to HackerOne - 23 upvotes, $500
233. Can read features from any user to HackerOne - 23 upvotes, $250
234. Ability to enumerate private programs using SAML to HackerOne - 23 upvotes, $0
235. [Bypass] Ability to invite a new member in sandbox Organization to HackerOne - 22 upvotes, $2500
236. Interstitial redirect bypass / open redirect in https://hackerone.com/zendesk_session to HackerOne - 22 upvotes, $500
237. Lack of input sanitization in Marketo form leads to execution of HTML in lead emails to HackerOne - 22 upvotes, $500
238. Disabled account can still use GraphQL endpoint to HackerOne - 22 upvotes, $500
239. program_analytics_benchmarks query shows information not visible in public to HackerOne - 22 upvotes, $500
240. Self DOM-Based XSS in www.hackerone.com to HackerOne - 22 upvotes, $0
241. report id is exposed for undisclosed reports in Hacktivity to HackerOne - 22 upvotes, $0
242. Information Disclosure when /invitations/<token>.json is not yet accepted to HackerOne - 22 upvotes, $0
243. Mishandling of hackerone clear background checks resulting in disclosure of other hacker's information to HackerOne - 22 upvotes, $0
244. Switching the user to the attacker's account to HackerOne - 21 upvotes, $150
245. Hackerone Email Addresses Enumeration to HackerOne - 21 upvotes, $0
246. Ability to escape database transaction through SQL injection, leading to arbitrary code execution to HackerOne - 21 upvotes, $0
247. Hacker can request mediation for published reports to HackerOne - 20 upvotes, $500
248. Homograph attack in escalate report to HackerOne - 20 upvotes, $500
249. SAML Response Reuse on hackerone.com/users/saml/auth to HackerOne - 20 upvotes, $500
250. HackerOne is still prone to Internet Explorer UXSS to HackerOne - 20 upvotes, $0
251. CRLF injection in info.hacker.one to HackerOne - 20 upvotes, $0
252. IDOR on Program Visibilty (Revealed / Concealed) against other team members to HackerOne - 20 upvotes, $0
253. Used email confirmation link reveals the email address which is tied to it to HackerOne - 20 upvotes, $0
254. Know undisclosed Bounty Amount when Bounty Statistics are enabled. to HackerOne - 19 upvotes, $500
255. Notifications sent due to "Transfer report" functionality may be sent to users who are no longer authorized to see the report to HackerOne - 19 upvotes, $500
256. CSP not consistently applied to HackerOne - 19 upvotes, $250
257. Session not expired on logout to HackerOne - 19 upvotes, $100
258. Able to create basic user account via Google login on HackerOne Drupal CMS to HackerOne - 18 upvotes, $0
259. Insecure SHA1withRSA in b5s.hackerone-ext-content.com and a4l.hackerone-ext-content.com to HackerOne - 18 upvotes, $0
260. Missing Certificate Authority Authorization rule to HackerOne - 18 upvotes, $0
261. Additional bypass allows SSRF for internal netblocks to HackerOne - 18 upvotes, $0
262. Session hijacking attack to HackerOne - 18 upvotes, $0
263. Previous attachments can be referenced when creating a new report to HackerOne - 17 upvotes, $500
264. Information disclosure (reset password token) and changing the user's password to HackerOne - 17 upvotes, $100
265. Improper session management to HackerOne - 17 upvotes, $100
266. Enumeration of users to HackerOne - 17 upvotes, $0
267. Private partial disclosure of h1 infrastructure to HackerOne - 17 upvotes, $0
268. Corrupted Authorization header can cause logs not to be ingested properly in ████████ to HackerOne - 17 upvotes, $0
269. Vulnerability with the way \ escaped characters in <http://danlec.com> style links are rendered to HackerOne - 16 upvotes, $5000
270. Know whether private program for company exist or not to HackerOne - 16 upvotes, $500
271. HTML injection can lead to data theft to HackerOne - 16 upvotes, $500
272. Unintended HTML inclusion as a result of https://hackerone.com/reports/110578 to HackerOne - 16 upvotes, $500
273. Tab nabbing in Hackerone inbox. to HackerOne - 16 upvotes, $500
274. Possible CSRF during joining report as participant to HackerOne - 16 upvotes, $0
275. Example HackerOne security@ forward domain is not registered to HackerOne - 16 upvotes, $0
276. www.hackerone.com website CSP "script-src" includes "unsafe-inline" to HackerOne - 16 upvotes, $0
277. Introspection query leaks sensitive graphql system information. to HackerOne - 16 upvotes, $0
278. Exposing hackerone users personally identifiable information by abusing sandbox with swag reward enabled to HackerOne - 16 upvotes, $0
279. Lack of length validation on user address attribute to HackerOne - 16 upvotes, $0
280. Rounding errors on rewarding a bounty leads to bypassing the 20% H1 commission fee to HackerOne - 16 upvotes, $0
281. Hackers can reveal the names of private programs that have an external link to HackerOne - 16 upvotes, $0
282. Enumerating HackerOne Pentests to HackerOne - 16 upvotes, $0
283. Improperly validated fields allows injection of arbitrary HTML via spoofed React objects to HackerOne - 15 upvotes, $5000
284. Graphql: Sorting the reports by jira_status field resulted to different value to HackerOne - 15 upvotes, $550
285. Homograph attack to HackerOne - 15 upvotes, $500
286. Invalid Phabricator API token revealed through error message when escalating a report to HackerOne - 15 upvotes, $500
287. Invited team member can disclosure slack channels to HackerOne - 15 upvotes, $500
288. CSRF login to HackerOne - 15 upvotes, $100
289. Ability to monitor reports' submission in real time to HackerOne - 15 upvotes, $0
290. Users contents on AWS is cacheable to HackerOne - 15 upvotes, $0
291. Limited Open redirection using SSO-SAML to HackerOne - 15 upvotes, $0
292. Submitted reports state logs leakage to HackerOne - 15 upvotes, $0
293. Lack of cross-origin request blocking allows leaking of sensitive information on several endpoints to HackerOne - 15 upvotes, $0
294. CSRF allows to test email forwarding to HackerOne - 15 upvotes, $0
295. HTTP header injection in info.hackerone.com allows setting cookies for hackerone.com to HackerOne - 14 upvotes, $1000
296. Old titles are not hidden in reports with limited disclosure to HackerOne - 14 upvotes, $500
297. Report title and issue information prepopulated to HackerOne - 14 upvotes, $0
298. Attacker may be able to bounce enough emails which suspend HackerOne's SES service and cause a DoS of HackerOne's email service to HackerOne - 14 upvotes, $0
299. Able to remove the admin access of my program to HackerOne - 13 upvotes, $500
300. Obtain the username & the uid of the one doing the S3 sync on Hackerone to HackerOne - 13 upvotes, $0
301. Researcher gets email updates on a private program after he/she quits that program. to HackerOne - 13 upvotes, $0
302. Missing Certificate Authority Authorization rule to HackerOne - 13 upvotes, $0
303. Changes to data in a CVE request after draft via GraphQL query to HackerOne - 13 upvotes, $0
304. Improper data update process on UpdatePhabricatorIntegration mutation leads to leak of Phabricator Conduit API token. to HackerOne - 13 upvotes, $0
305. PII data Leakage through hackerone reports to HackerOne - 13 upvotes, $0
306. Markdown parsing issue enables insertion of malicious tags and event handlers to HackerOne - 12 upvotes, $5000
307. PNG compression DoS to HackerOne - 12 upvotes, $500
308. DNS Misconfiguration to HackerOne - 12 upvotes, $100
309. Login page password-guessing attack to HackerOne - 12 upvotes, $0
310. Flawed account creation process allows registration of usernames corresponding to existing file names to HackerOne - 12 upvotes, $0
311. Inadequate access controls in "Vote" functionality??? to HackerOne - 12 upvotes, $0
312. GitHub users outside of HackerOne organization can create and update Wiki pages of certain public HackerOne repositories to HackerOne - 12 upvotes, $0
313. Missing rate limit on critical user actions e.g. reset password, change email, disable account. to HackerOne - 12 upvotes, $0
314. Bypassing the External Link Warning to HackerOne - 12 upvotes, $0
315. CSRF possible when SOP Bypass/UXSS is available to HackerOne - 11 upvotes, $2500
316. Requesting Mediation possible on reports that are too old for mediation to HackerOne - 11 upvotes, $500
317. javascript: and mailto: links are allowed in JIRA integration settings to HackerOne - 11 upvotes, $100
318. Possible CSRF during external programs to HackerOne - 11 upvotes, $0
319. Verbose PHP error messages exposed on a blog article to HackerOne - 11 upvotes, $0
320. Moving a report to a different program doesn't reassign the Custom Field Values to HackerOne - 11 upvotes, $0
321. CSV Injection at the CSV export feature to HackerOne - 10 upvotes, $500
322. Logical issues with account settings to HackerOne - 10 upvotes, $150
323. Unauthorized Team members viewing to HackerOne - 10 upvotes, $0
324. homograph attack. IDNs displayed in unicode in bug reports and on external link warning page to HackerOne - 9 upvotes, $500
325. RTL override symbol not stripped from file names to HackerOne - 9 upvotes, $500
326. Open redirect in "Language change". to HackerOne - 9 upvotes, $500
327. Control Characters Not Stripped From Username on Signup to HackerOne - 9 upvotes, $100
328. Privilege escalation..., or not?! to HackerOne - 9 upvotes, $0
329. Manipulate report timeline activity by using null byte. to HackerOne - 9 upvotes, $0
330. Improve signals in reputation to HackerOne - 8 upvotes, $500
331. Disclosure of external users invited to a specific report to HackerOne - 8 upvotes, $500
332. CSS leaks SCSS debug info to HackerOne - 8 upvotes, $100
333. Session not invalidated after password reset to HackerOne - 8 upvotes, $100
334. All Active user sessions should be deleted when user change his password! to HackerOne - 8 upvotes, $100
335. LinkedIN URL should be HTTPS to HackerOne - 8 upvotes, $0
336. Reward Money Leakage to HackerOne - 8 upvotes, $0
337. Information disclosure via policy update notifications after removal from program to HackerOne - 8 upvotes, $0
338. Search query text, including from potentially undisclosed reports, sent to Google Analytics on Inbox query page to HackerOne - 8 upvotes, $0
339. GraphQL sessions aren't immediately invalidated when user password is changed to HackerOne - 8 upvotes, $0
340. While adding a payment method - Notification email not sent to newly added email ID as well as there is no verification for new email id (Paypal) to HackerOne - 8 upvotes, $0
341. Race condition allows to send multiple times feedback for the hacker to HackerOne - 8 upvotes, $0
342. CSP Bypass: Click handler for links with data-method="post" can cause authenticity_token to be sent off domain to HackerOne - 7 upvotes, $2000
343. Gain reputation by creating a duplicate of an existing report to HackerOne - 7 upvotes, $500
344. Limited CSRF bypass. to HackerOne - 7 upvotes, $500
345. New hacktivity view discloses report IDs of non-public reports to HackerOne - 7 upvotes, $500
346. Flawed account creation process allows registration of usernames corresponding to existing file names to HackerOne - 7 upvotes, $100
347. Reputation Manipulation (Theoretical) to HackerOne - 7 upvotes, $0
348. Private Program all members disclosed to HackerOne - 7 upvotes, $0
349. Missing Password Confirmation at a Critical Function (Payout Method) to HackerOne - 7 upvotes, $0
350. Leakage badges on disabled user to HackerOne - 7 upvotes, $0
351. Information disclosure to HackerOne - 7 upvotes, $0
352. Private program activity timeline information disclosure to HackerOne - 6 upvotes, $5000
353. External programs revealing info to HackerOne - 6 upvotes, $1500
354. Ability to see common response titles of other teams (limited) to HackerOne - 6 upvotes, $1000
355. Pre-generation of 2FA secret/backup codes seems like an unnecessary risk to HackerOne - 6 upvotes, $1000
356. Redirect while opening links in new tabs to HackerOne - 6 upvotes, $500
357. No email verification on username change to HackerOne - 6 upvotes, $500
358. File Name Enumeration to HackerOne - 6 upvotes, $500
359. CSV Injection with the CVS export feature to HackerOne - 6 upvotes, $500
360. Increase number of bugs by sending duplicate of your own valid report to HackerOne - 6 upvotes, $500
361. Autocomplete enabled in Paypal preferences to HackerOne - 6 upvotes, $100
362. Adding an user email address to the list before confirming. to HackerOne - 6 upvotes, $0
363. "early preview" programs disclosure to HackerOne - 6 upvotes, $0
364. External links should use rel="noopener" or use the redirect service to HackerOne - 6 upvotes, $0
365. Reflected Filename Download to HackerOne - 6 upvotes, $0
366. Race Conditions Exist When Accepting Invitations to HackerOne - 6 upvotes, $0
367. Ajouter le même utilisateur que celui déjà inscrit dans les équipes to HackerOne - 6 upvotes, $0
368. Information leakage - Private reports cached by Google to HackerOne - 6 upvotes, $0
369. Temporary banned user (from platform) is able to make submissions via embedded submission forms to HackerOne - 6 upvotes, $0
370. Weird Bug - Ability to see partial of other user's notification to HackerOne - 5 upvotes, $500
371. Logic Issue with Reputation: Boost Reputation Points to HackerOne - 5 upvotes, $500
372. Team Member███ associated with a Custom Group Created with 'Program Managment' only permissions can Comments on Bug Reports to HackerOne - 5 upvotes, $500
373. CSV Injection via the CSV export feature to HackerOne - 5 upvotes, $500
374. Multiple issues with Markdown and URL parsing to HackerOne - 5 upvotes, $500
375. Websites opened from reports can change url of report page to HackerOne - 5 upvotes, $500
376. New hacktivity view discloses report IDs of non-public reports to HackerOne - 5 upvotes, $500
377. Session Management to HackerOne - 5 upvotes, $100
378. Session Hijacking attack (Different Scenario) to HackerOne - 5 upvotes, $0
379. "learn more here", reward email - domain expired. to HackerOne - 5 upvotes, $0
380. javascript: and mailto: links are allowed on users' profiles to HackerOne - 5 upvotes, $0
381. Report title autocompletion to HackerOne - 5 upvotes, $0
382. In markdown, parsing things like @danlec and #46072 after links is unsafe to HackerOne - 5 upvotes, $0
383. Denial of Service any Report to HackerOne - 5 upvotes, $0
384. Deleted name still present via mouseover functionality for user accounts to HackerOne - 5 upvotes, $0
385. Reflected File Download to HackerOne - 5 upvotes, $0
386. DOS Report FILE html inside <code> in markdown to HackerOne - 5 upvotes, $0
387. Open redirect deceive in hackerone.com via another open redirect link. to HackerOne - 5 upvotes, $0
388. Partial disclosure of undisclosed programs through <meta> tags to HackerOne - 5 upvotes, $0
389. Mismatch between frontend and backend validation via ban_researcher leads to H1 support and hackers email spam to HackerOne - 5 upvotes, $0
390. Send AJAX request to external domain to HackerOne - 4 upvotes, $2500
391. Cross-domain AJAX request to HackerOne - 4 upvotes, $2500
392. Insecure Direct Object Reference vulnerability to HackerOne - 4 upvotes, $500
393. Making any Report Failed to load to HackerOne - 4 upvotes, $500
394. Team Member(s) associated with a Group have Read-only permission (Post internal comments) can post comment to all the participants to HackerOne - 4 upvotes, $500
395. Private Program Disclosure in /:handle/reports/draft.json endpoint to HackerOne - 4 upvotes, $500
396. Private Program Disclosure in /:handle/settings/allow_report_submission.json endpoint to HackerOne - 4 upvotes, $500
397. A password reset page does not properly validate the authenticity token at the server side. to HackerOne - 4 upvotes, $100
398. Securing sensitive pages from SearchBots to HackerOne - 4 upvotes, $100
399. Category- Broken Authentication and Session Management (leads to account compromise if some conditions are met) to HackerOne - 4 upvotes, $100
400. Change Any username and profile link in hackerone to HackerOne - 4 upvotes, $100
401. Anti-MIME-Sniffing header X-Content-Type-Options header has not been set. to HackerOne - 4 upvotes, $100
402. Flooding mailbox of user to HackerOne - 4 upvotes, $0
403. Email changing to HackerOne - 4 upvotes, $0
404. Markdown code block sequence makes report unreadable to HackerOne - 4 upvotes, $0
405. profile cover can also load external URL's to HackerOne - 4 upvotes, $0
406. attack in not an authorized user to HackerOne - 4 upvotes, $0
407. Null byte injection to HackerOne - 4 upvotes, $0
408. Signals get affected once reports closed as self to HackerOne - 4 upvotes, $0
409. Information Disclosure which violate program privacy to HackerOne - 4 upvotes, $0
410. CSV injection in the credentials export to HackerOne - 4 upvotes, $0
411. SPF whitelist of mandrill leads to email forgery to HackerOne - 3 upvotes, $1000
412. Edit Auto Response Messages to HackerOne - 3 upvotes, $1000
413. Redirect FILTER bypass in report/comment to HackerOne - 3 upvotes, $500
414. Team member invitations to sandboxed teams are not invalidated consistently (v2) to HackerOne - 3 upvotes, $500
415. Issue with password change to HackerOne - 3 upvotes, $500
416. Accessing title of the report of which you are marked as duplicate to HackerOne - 3 upvotes, $500
417. Disclosure of private programs that have an "external" page on HackerOne to HackerOne - 3 upvotes, $500
418. Putting link inside link in markdown to HackerOne - 3 upvotes, $500
419. Distinguish EP+Private vs Private programs in HackerOne to HackerOne - 3 upvotes, $500
420. creating titleless and non-closable bugs to HackerOne - 3 upvotes, $150
421. Password Reset Bug to HackerOne - 3 upvotes, $100
422. Potential denial of service in hackerone.com/<program>/reward_settings to HackerOne - 3 upvotes, $100
423. harvesting attack on user registration to HackerOne - 3 upvotes, $0
424. Account takeover to HackerOne - 3 upvotes, $0
425. HTTPS is not enforced for objects stored by HackerOne on Amazon S3 to HackerOne - 3 upvotes, $0
426. Restrict any user from logging into his account. to HackerOne - 3 upvotes, $0
427. Missing spf flags for hackerone.com to HackerOne - 3 upvotes, $0
428. Enumeration/Guess of Private (Invited) Programs to HackerOne - 3 upvotes, $0
429. Homograph Attack to HackerOne - 3 upvotes, $0
430. Logical Issue (Boosting Reputation points) to HackerOne - 3 upvotes, $0
431. Minimum bounty of a private program is visible for users that were removed from the program to HackerOne - 3 upvotes, $0
432. Email Address Leak to HackerOne - 3 upvotes, $0
433. Accepting Invalid characters on email address to HackerOne - 3 upvotes, $0
434. Issue with password change in Disabled Account to HackerOne - 3 upvotes, $0
435. Window Opener Property Bug to HackerOne - 2 upvotes, $500
436. Improper way of validating a program to HackerOne - 2 upvotes, $500
437. Open-redirect on hackerone.com to HackerOne - 2 upvotes, $500
438. Homograph attack to HackerOne - 2 upvotes, $500
439. Content Spoofing - External Link Warning Page to HackerOne - 2 upvotes, $500
440. Logic error with notifications: user that has left team continues to receive notifications and can not 'clean' this area on account to HackerOne - 2 upvotes, $500
441. Reopen Disable Accounts/ Hidden Access After Disable to HackerOne - 2 upvotes, $500
442. mailto: link injection on https://hackerone.com/directory to HackerOne - 2 upvotes, $500
443. Number of invited researchers disclosed as part of JSON search response to HackerOne - 2 upvotes, $500
444. CSV Injection via the CSV export feature to HackerOne - 2 upvotes, $500
445. Mediation link can be accepted by other users to HackerOne - 2 upvotes, $500
446. SECURITY: Referencing previous Reports attachment_IDs on new Reports via Draft_Sync DELETES Attachments to HackerOne - 2 upvotes, $500
447. Issue with remember_user_token to HackerOne - 2 upvotes, $150
448. Denial of Service to HackerOne - 2 upvotes, $100
449. Marking notifications as read CSRF bug to HackerOne - 2 upvotes, $100
450. Criptographic Issue: Strisct Transport Security with not good max age..(TOO SHORT!) to HackerOne - 2 upvotes, $0
451. Arbitrary file uploads to Amazon WS. to HackerOne - 2 upvotes, $0
452. No option to logout concurrent sessions to HackerOne - 2 upvotes, $0
453. (lack of) smtp transport layer security to HackerOne - 2 upvotes, $0
454. Minor Bug: Public un-compiled CSS with original sass, versioning, source map, comments, etc. to HackerOne - 2 upvotes, $0
455. Content spoofing on invitations page to HackerOne - 2 upvotes, $0
456. Sending emails (via HackerOne) impersonating other users to HackerOne - 2 upvotes, $0
457. Abusing HOF rankings in limited circumstances to HackerOne - 2 upvotes, $0
458. Possible XSS to HackerOne - 2 upvotes, $0
459. Add text to the title of the page "Thanks" to HackerOne - 2 upvotes, $0
460. Spamming any user from Reset Password Function to HackerOne - 2 upvotes, $0
461. HackerOne Important Emails Notification are sent in clear-text to HackerOne - 2 upvotes, $0
462. Content Spoofing via reports to HackerOne - 2 upvotes, $0
463. Reverse Tabnabbing Vulnerability in Outgoing Links to HackerOne - 2 upvotes, $0
464. Reputation gain split by company can be used to track the existence of otherwise undisclosed reports to HackerOne - 2 upvotes, $0
465. Breaking Bugs as team member to HackerOne - 1 upvotes, $500
466. Team member invitations to sandboxed teams are not invalidated consistently to HackerOne - 1 upvotes, $500
467. Fake URL + Additional vectors for homograph attack to HackerOne - 1 upvotes, $500
468. External URL page bypass to HackerOne - 1 upvotes, $500
469. Invitation is not properly cancelled while inviting to bug reports. to HackerOne - 1 upvotes, $500
470. Private Program and bounty details disclosed as part of JSON search response to HackerOne - 1 upvotes, $500
471. User with Read-Only permissions can request/approve public disclosure to HackerOne - 1 upvotes, $500
472. User with Read-Only permissions can edit the Internal comment Activities on Bug Reports After Revoke the team access permissions to HackerOne - 1 upvotes, $500
473. User with Read-Only permissions can manually public disclosure the report to HackerOne - 1 upvotes, $500
474. Internal bounty and swag details disclosed as part of JSON response to HackerOne - 1 upvotes, $500
475. Potential denial of service in hackerone.com/teams/new to HackerOne - 1 upvotes, $100
476. Improper filtering of classes used in codeblocks in Markdown to HackerOne - 1 upvotes, $0
477. Cache leads to Privacy leaks to HackerOne - 1 upvotes, $0
478. Account Hijacking (Only rare case scenario) to HackerOne - 1 upvotes, $0
479. Notification of previous signed out user leakage. to HackerOne - 1 upvotes, $0
480. Auto Approval of Invitation to join Team as a Team member to HackerOne - 1 upvotes, $0
481. Substantially weakened authenticity verification when using 'Remember me for a week' to HackerOne - 1 upvotes, $0
482. Reflected File Download attack allows attacker to 'upload' executables to hackerone.com domain to HackerOne - 1 upvotes, $0
483. Email Notification should be get while changing Paypal Email to HackerOne - 1 upvotes, $0
484. Weak HSTS age in support hackerone site to HackerOne - 1 upvotes, $0
485. Hackerone impersonation to HackerOne - 1 upvotes, $0
486. HackerOne Private Programs users disclosure and de-anonymous-ize to HackerOne - 1 upvotes, $0
487. Requesting unknown file type returns Ruby object w/ address to HackerOne - 1 upvotes, $0
488. User with Read-Only permissions can edit the SwagAwarded Activities on Bug Reports to HackerOne - 1 upvotes, $0
489. Redirection Page throwing error instead of redirecting to site to HackerOne - 1 upvotes, $0
490. URL Crashing browser. {Tested on firefox, Chrome and Safari} to HackerOne - 1 upvotes, $0
491. Denial of service in report view. to HackerOne - 1 upvotes, $0
492. Pending member invitations are not revoked on program name change to HackerOne - 1 upvotes, $0