CVE-2023-4108: Mattermost

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Mattermost fails to sanitize post metadata during audit logging resulting in permalinks contents being logged

Affected products

• Mattermost Mattermost: from 7.8.0, before 7.8.8 (fixed in 7.8.8); from 7.9.0, before 7.9.6 (fixed in 7.9.6); from 7.10.0, before 7.10.4 (fixed in 7.10.4)

Published 2023-08-11. Last modified 2026-06-17.