CVE-2025-6594

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.Special.Apisandbox/ApiSandbox.Js. This issue affects MediaWiki: from 1.27.0 before 1.39.13, 1.42.7 1.43.2, 1.44.0.

Score

CVSS 3.1 4.7 Medium

Status

Deferred - c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published

2026-02-02

Last modified

2026-02-03

Weaknesses

CWE-79

Affected products

• Mediawiki (Wikimedia Foundation)

References

• https://phabricator.wikimedia.org/T395063