Description
Mattermost versions 10.2.x <= 10.2.0, 9.11.x <= 9.11.5, 10.0.x <= 10.0.3, 10.1.x <= 10.1.3 fail to properly validate the style of proto supplied to an action's style in post.props.attachments, which allows an attacker to crash the frontend via crafted malicious input.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Mattermost Mattermost
Default version status: unaffected
10.2.0affected9.11.0 to ≤ 9.11.5affected10.0.0 to ≤ 10.0.3affected10.1.0 to ≤ 10.1.3affected10.3.0unaffected10.2.1unaffected9.11.6unaffected10.0.4unaffected10.1.4unaffected