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Medium · 6.1 CVE-2026-103047 EUVD-2026-89486GHSA-wm9g-fv6p-hww9

XSS through i18n message in CentralAuth

Published Sep 29, 2026 · Updated Sep 30, 2026 · Assigned by wikimedia-foundation

Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.

This issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.

Affected products

VendorProductAffectedFixed
The Wikimedia Foundation Mediawiki - CentralAuth extension < 1.46.1, 1.45.5, 1.43.10 1.46.1, 1.45.5, 1.43.10

References