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Mattermost MattermostCSRF Allows Call Initiation and Message Delivery

Risk 22
Severity
4.3
CSRF
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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.

1 / 2
Source: GitHub

Remedy

Update Mattermost to versions 11.1.0, 11.0.5, 10.12.3, 10.11.7 or higher. Alternatively, update the Mattermost Calls plugin to version 1.11.0 or higher.
First published (updated )
CVE-2025-62190

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