CVE-2025-67483: Mediawiki

Medium severity, CVSS 6.1. 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. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.

Affected products

• Mediawiki Mediawiki: from 1.43.0, before 1.43.6 (fixed in 1.43.6); from 1.44.0, before 1.44.3 (fixed in 1.44.3); version 1.45.0 only

Published 2026-02-03. Last modified 2026-06-17.