Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Reflected Cross Site Scripting (XSS)#435144 | Informative | Cross-site Scripting | Medium | 2019-04-30 | – | 11 |
| DOM based CSS Injection on grammarly.comAnalysed#500436 | Valid | Cross-site Scripting | Low | 2019-05-06 | $250 | 63 |
| Account takeover through the combination of cookie manipulation and XSSAnalysed#534450 | Valid | Cross-site Scripting | High | 2019-12-03 | – | 292 |
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.