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Bug bounty reports15,219

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

Program:Nextcloud
Status
Severity
Weakness:Cross-site Scripting
Clear
Year
Bounty paid1
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed:No account
Technique
Clear filters4 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Cross site scripting - XSRF TokenAnalysed#858255ValidCross-site ScriptingMedium2020-06-14–32
Blind Stored XSS on iOS App due to Unsanitized WebviewAnalysed#575562ValidCross-site ScriptingLow2020-03-07$10028
Log pollution can lead to HTML Injection.Analysed#146278ValidCross-site Scripting–2016-07-19–18
Reflected XSS / Markup Injection in `index.php/svg/core/logo/logo` parameter `color`Analysed#605915ValidCross-site ScriptingMedium2019-08-29–17

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.