Bug bounty reports15,219
Publicly disclosed HackerOne reports, with the platform's own outcome and severity.
| Report | Status | Weakness | Severity | Disclosed | Bounty | Votes |
|---|---|---|---|---|---|---|
| Emails from Grammarly missing sanitization(lack of validation?) -> HTML injection in emails#404864 | Duplicate | Misconfiguration and Insecure Design | Low | 2019-04-30 | – | 22 |
| "More on Wikipedia" link disclose "Referrer" and leak `window.opener` reference for arbitrary websitesAnalysed#409518 | Valid | Misconfiguration and Insecure Design | Low | 2019-04-30 | – | 29 |
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 (3,437 analysed so far), which can be wrong. Data as of 2026-11-15.