CVE-2025-53494: Wmde-Fisch Twocolconflict

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Affected products

• Wmde-Fisch Twocolconflict: before 2025-05-26 (fixed in 2025-05-26)

Published 2025-07-02. Last modified 2026-06-17.