Mattermost: >> Confluence >> 1.5.0 Security Vulnerabilities
Mattermost Confluence plugin version <1.7.0 fails to properly escape user-controlled display names in HTML template rendering which allows authenticated Confluence users with malicious display names to execute arbitrary JavaScript in victim browsers via sending a specially crafted OAuth2 connection link that, when visited, renders the attacker's display name without proper sanitization. Mattermost Advisory ID: MMSA-2025-00557
CVSS Score
7.7
EPSS Score
0.0
Published
2026-02-06