CVE-2025-23079: Wikimedia Foundation Mediawiki - ARTICLEFEEDBACKV5 Extension

Medium severity, CVSS 6.1. EPSS: 0.2% 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 - ArticleFeedbackv5 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - ArticleFeedbackv5 extension: from 1.42.X before 1.42.2.

Affected products

• Wikimedia Foundation Mediawiki - ARTICLEFEEDBACKV5 Extension: from 1.39, before 1.39.11 (fixed in 1.39.11); from 1.41, before 1.41.3 (fixed in 1.41.3); from 1.42, before 1.42.2 (fixed in 1.42.2)

Published 2025-01-10. Last modified 2026-06-17.