Security Advisory

CVE-2026-53962

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-09 22:02:27

Last updated 2026-07-10 20:31:50

Assigner GitHub_M

CVSS score 5.4

State PUBLISHED

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, insufficient SVG sanitization in upload and user avatar handling could lead to cross-site scripting when a user visited specific URLs that are not normally part of community browsing. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

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