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OpenAdvisories
None · 0.0 CVE-2026-34095 EUVD-2026-29109GHSA-596g-9fv7-mq62

action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request

Published May 11, 2026 · Updated May 11, 2026 · Assigned by wikimedia-foundation

Description

Vulnerability in Wikimedia Foundation MediaWiki.

This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.

This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

Affected products

VendorProductAffectedFixed
Wikimedia Foundation MediaWiki < 1.43.7, 1.44.4, 1.45.2 1.43.7, 1.44.4, 1.45.2

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 mediawiki 1:1.43.8+dfsg-2 —
Debian 13 mediawiki 1:1.43.8+dfsg-1~deb13u1 —
Debian 12 mediawiki 1:1.39.17-1+deb12u2 —
ReleasePackageFixed inAdvisory
Ubuntu 26.10 mediawiki No fix yet —
Ubuntu 26.04 LTS mediawiki No fix yet —
Ubuntu 25.10 mediawiki No fix yet —
Ubuntu 18.04 LTS mediawiki No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS mediawiki No fix yet —
Ubuntu Pro 22.04 LTS mediawiki No fix yet —
Ubuntu Pro 20.04 LTS mediawiki No fix yet —

Advisories 1

References