CVE-2025-55073 (GCVE-0-2025-55073)
Vulnerability from cvelistv5
Published
2025-11-14 08:03
Modified
2025-11-14 15:46
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CWE
  • CWE-306 - Missing Authentication for Critical Function
Summary
Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11, 10.12.x <= 10.12.0 fail to validate the relationship between the post being updated and the MSTeams plugin OAuth flow which allows an attacker to edit arbitrary posts via a crafted MSTeams plugin OAuth redirect URL.
References
Impacted products
Vendor Product Version
Mattermost Mattermost Version: 10.11.0   ≤ 10.11.3
Version: 10.5.0   ≤ 10.5.11
Version: 10.12.0   ≤ 10.12.0
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