GHSA-gmx5-frv9-9m9fMediumCVSS 4.3

Mattermost has CSRF vulnerability via Calls Widget page

Published
December 17, 2025
Last Modified
December 20, 2025

🔗 CVE IDs covered (1)

📋 Description

Mattermost versions 11.0.x < 11.0.4, 10.12.x <= 10.12.2, 10.11.x < 10.11.6 and Mattermost Calls versions < 1.10.0 fail to implement CSRF protection on the Calls widget page which allows an authenticated attacker to initiate calls and inject messages into channels or direct messages via a malicious webpage or crafted link.

🎯 Affected products1

  • go/github.com/mattermost/mattermost-plugin-calls:< 1.10.0

🔗 References (5)