CVE-2025-11261

EUVD-2025-206639
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Language/mediawiki.Language.Js.

This issue affects MediaWiki: from * before 1.39.15, 1.43.5, 1.44.2.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
UNKNOWN
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bookworm
1:1.39.17-1~deb12u1
fixed
bookworm (security)
1:1.39.17-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
1:1.35.13-1+deb11u6
fixed
forky
1:1.43.6+dfsg-2
fixed
sid
1:1.43.6+dfsg-2
fixed
trixie
1:1.43.6+dfsg-1~deb13u1
fixed
trixie (security)
1:1.43.6+dfsg-1~deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
plucky
ignored
questing
needs-triage
Common Weakness Enumeration
References
https://https://phabricator.wikimedia.org/T406322
https://phabricator.wikimedia.org/T402077