Where
AND
-Infinity
0
Severity
4.3
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Mattermost Plugins versions <=11.3 11.0.3 11.2.2 10.10.11.0 fail to implement authorisation checks on comment block modifications, which allows an authorised attacker with editor permission to modify comments created by other board members. Mattermost Advisory ID: MMSA-2025-00559

Remedy

Update Mattermost Plugins to versions 11.4.0, 11.3.1, 11.2.3, 10.11.11 or higher.
First published (updated )

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