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Low · 1.1 CVE-2026-103443 EUVD-2026-90079GHSA-2fmc-4qg7-7m8x

API permits session-seeded javascript URL XSS

Published Sep 30, 2026 · Updated Sep 30, 2026 · Assigned by wikimedia-foundation

Description

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.

Affected products

VendorProductAffectedFixed
The Wikimedia Foundation MediaWiki Collection (Book) extension 1.46, 1.45, 1.43 —

Advisories 1

References