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7.7 High

CVE-2025-13523 Mattermost Confluence plugin…

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

Affected products and versions

Product Affected versions Fixed in
Mattermost Confluence Plugin 1.7 earliest → < 1.7.0 1.7.0

Other CVEs of Mattermost Confluence Plugin

The 14 CVEs of Mattermost Confluence Plugin →
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