Skip to content

Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Superhuman (formerly Grammarly)
Status
Severity
Weakness
Year
Bounty paid0
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
Technique:Session fixation or reuse
Clear filters2 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Account takeover through the combination of cookie manipulation and XSSAnalysed#534450ValidCross-site ScriptingHigh2019-12-03–292
Previously created sessions continue being valid after MFA activationAnalysed#667739ValidAccess ControlMedium2019-08-19–176

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 (4,365 analysed so far), which can be wrong. Data as of 2026-11-15.