CVE-2025-23078: Wikimedia Foundation Mediawiki - BREADCRUMBS2 Extension

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 - Breadcrumbs2 extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Breadcrumbs2 extension: from 1.39.X before 1.39.11, from 1.41.X before 1.41.5, from 1.42.X before 1.42.4.

Affected products

• Wikimedia Foundation Mediawiki - BREADCRUMBS2 Extension: from 1.39, before 1.39.11 (fixed in 1.39.11); from 1.41, before 1.41.5 (fixed in 1.41.5); from 1.42, before 1.42.4 (fixed in 1.42.4)

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