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CVE-2026-103443

API permits session-seeded javascript URL XSS

Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements. This issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.

CVSS 4.0 · 1.1 Low EPSS < 1% KEV · Not listed
Vendors
Wikimedia
Products
Mediawiki-collection (book) Extension