Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| [Meetup][World ID][OIDC] Insufficient Filtering of "state" Parameter in Response Mode form_post leads to XSS and ATOAnalysed#2515808 | Valid | Cross-site Scripting | Critical | 2024-06-19 | – | 106 |
| Race Condition Enables Bypassing Verification Check#2110030 | Valid | Race Conditions | High | 2024-04-04 | $3,000 | 95 |
| IDOR - Leaking of team data (name, email, ID, member ID) via POST /api/v1/graphql `FetchMemberships` operation#2381816 | Valid | Insecure Direct Object Reference | Medium | 2024-05-09 | $500 | 91 |
| Unlock underage blocked app without support interaction using airplane mode#3136790 | Valid | Input Validation and Logic | Low | 2025-06-30 | $300 | 66 |
Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report (779 analysed so far), which can be wrong. Data as of 2026-11-14.