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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
Year
Bounty paid2
Access stated
  • No account0
  • A user account0
  • Admin or privileged0
Access needed
  • No account0
  • A user account3
  • A privileged role0
  • Admin0
  • Physical or local access0
  • Not clear from the report0
Technique:Unsafe file upload
Clear filters3 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Unrestricted file upload on the image of contactsAnalysed#808287ValidInput Validation and LogicLow2020-07-08$10024
XSS through image upload of contacts using svg fileAnalysed#894876ValidCross-site ScriptingLow2020-12-17$10022
XSS through image upload of contacts using svg file with png extensionAnalysed#998422ValidCross-site ScriptingLow2020-12-26–21

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.