Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Denial of Service (DoS) Vulnerability in Drafts Creation EndpointAnalysed#3400140 | Valid | Denial of Service | High | 2026-06-30 | $1,024 | 98 |
| Account takeover at https://try.discourse.org due to no CSRF protection in connecting Yahoo accountAnalysed#423022 | Valid | Cross-Site Request Forgery | High | 2018-12-06 | – | 89 |
| Application Level DoS - Large Markdown Payload in Reply Section Leading to Resource ExhaustionAnalysed#3058919 | Valid | Denial of Service | High | 2025-10-18 | – | 84 |
| Arbitrary Local-File Read from Admin - Restore From Backup due to SymlinksAnalysed#213558 | Valid | Information Disclosure | High | 2017-05-13 | $512 | 52 |
| Web Cache Deception Attack (XSS)Analysed#394016 | Valid | Cross-site Scripting | High | 2018-11-18 | $256 | 51 |
| Admin Command Injection via username in user_archive ExportCsvFileAnalysed#214022 | Valid | Command and Code Injection | High | 2017-05-13 | $512 | 45 |
| DOM Based XSS in Discourse SearchAnalysed#191890 | Valid | Cross-site Scripting | High | 2017-01-10 | – | 29 |
| Stored XSS in "post last edited" optionAnalysed#333507 | Valid | Cross-site Scripting | High | 2018-07-09 | $256 | 19 |
| Gaining access to private topics using quoting featureAnalysed#312647 | Valid | Access Control | High | 2018-03-17 | $256 | 19 |
| XSS in topics because of bandcamp preview engine vulnerabilityAnalysed#197443 | Valid | Cross-site Scripting | High | 2017-01-20 | – | 15 |
| XSS vulnerability on Audio and Video parsersAnalysed#192223 | Valid | Cross-site Scripting | High | 2017-01-10 | $256 | 15 |
| XSS Vulnerability on Image link parserAnalysed#191909 | Valid | Cross-site Scripting | High | 2017-01-10 | $256 | 15 |
| Stored XSS in posts because of absence of oembed variables values escapingAnalysed#197914 | Valid | Cross-site Scripting | High | 2017-01-20 | – | 13 |
| Stored XSS in topics because of whitelisted_generic engine vulnerabilityAnalysed#197902 | Valid | Cross-site Scripting | High | 2017-01-20 | – | 13 |
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.