CVE-2025-13352 (GCVE-0-2025-13352)

Vulnerability from cvelistv5 – Published: 2025-12-17 12:11 – Updated: 2025-12-17 16:48
VLAI?
Title
Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hijacking
Summary
Mattermost versions 10.11.x <= 10.11.6 and Mattermost GitHub plugin versions <=2.4.0 fail to validate plugin bot identity in reaction forwarding which allows attackers to hijack the GitHub reaction feature to make users add reactions to arbitrary GitHub objects via crafted notification posts.
CWE
  • CWE-1287 - Improper Validation of Specified Type of Input
Assigner
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 10.11.0 , ≤ 10.11.6 (semver)
Unaffected: 11.1.0
Unaffected: 10.11.7
Create a notification for this product.
Credits
Juho Forsén
Show details on NVD website

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