HexBrain

Browse / Mattermost

Mattermost

19disclosed reports
$2,250paid in bounties

See its reports on the map

What gets reported to Mattermost

Most upvoted reports

AllValidInformativeN/ADuplicate

  1. Reset password link sent over unsecured http protocolImproper Access Control - Generic · high
    $750440 votes
  2. Account takeover due to misconfigurationUse of a Key Past its Expiration Date · low
    133 votes
  3. Persistant Arbitrary code execution in mattermost androidCode Injection · high
    67 votes
  4. ABLE TO TRICK THE VICTIM INTO USING A CRAFTED EMAIL ADDRESS FOR A PARTICULAR SESSION AND THEN LATER TAKE BACK THE ACCOUNT Violation of Secure Design Principles · low
    49 votes
  5. Bypass Email Verification in Customer PortalImproper Access Control - Generic · low
    45 votes
  6. Privilege Escalation leading to post in channel without having privilegePrivilege Escalation · low
    45 votes
  7. Member role which doesn't have permission to send message can send by executing channel commandsImproper Access Control - Generic · medium
    44 votes
  8. Mattermost Server OAuth Flow Cross-Site ScriptingCross-site Scripting (XSS) - Reflected · high
    $90044 votes
  9. Self XSS in Create New Workspace ScreenCross-site Scripting (XSS) - Generic · low
    42 votes
  10. Posts sent via websockets aren't sanitized properlyImproper Input Validation · low
    $15040 votes
  11. html injection via invite members can be leads account takeover Cross-site Scripting (XSS) - Generic · low
    38 votes
  12. Invitation Email is resent as a Reminder after invalidating pending email invitesImproper Access Control - Generic · low
    30 votes
  13. Uninstalling Mattermost Launcher for Windows (64-bit), then reinstalling keeps you logged in without authenticationImproper Restriction of Authentication Attempts · low
    20 votes
  14. DoS via Playbook Uncontrolled Resource Consumption · medium
    18 votes
  15. Specially crafted message request crashes the webapp for users who view the messageUncontrolled Resource Consumption · low
    $15017 votes
  16. DoS via large console messagesUncontrolled Resource Consumption · low
    $15015 votes
  17. DOS: out of memory from gif through upload apiUncontrolled Resource Consumption · low
    $15012 votes
  18. DoS via Automatic Response MessageUncontrolled Resource Consumption · medium
    9 votes