CVE-2025-62665: Wikimedia Foundation Mediawiki - Skin:bluesky

Medium severity, CVSS 6.9. EPSS: 0.4% 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 - Skin:BlueSky allows Stored XSS.This issue affects Mediawiki - Skin:BlueSky: from master before 1.39.

Affected products

• Wikimedia Foundation Mediawiki - Skin:bluesky

Published 2025-10-18. Last modified 2026-10-09.