Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Stored open redirect in about pageAnalysed#979375 | Valid | Open Redirect | Medium | 2021-05-03 | – | 13 |
| Improper access control in place for "member only" groups via root.YUI_config.flickr.api.site_keyAnalysed#587733 | Valid | Access Control | Medium | 2021-05-03 | – | 15 |
| CSRF in Account Deletion feature (https://www.flickr.com/account/delete)Analysed#615448 | Valid | Cross-Site Request Forgery | High | 2021-09-14 | – | 92 |
| critical server misconfiguration lead to access to any user sensitive data which include user email and passwordAnalysed#1365738 | Valid | Input Validation and Logic | Medium | 2021-11-02 | $500 | 116 |
| Flickr Account Takeover using AWS Cognito APIAnalysed#1342088 | Valid | Authentication | Critical | 2021-12-18 | – | 440 |
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, where there is one, which can be wrong. Data as of 2026-11-15.