CVE-2025-13523

Description

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

References

https://mattermost.com/security-updates

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3

EPSS