CVE-2025-3469

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 includes/htmlform/fields/HTMLMultiSelectField.Php.

This issue affects MediaWiki: before 1.39.12, 1.42.6, 1.43.1.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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wikimedia-foundationCNA
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CISA-ADPADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 28%
Debian logo
Debian Releases
Debian Product
Codename
mediawiki
bullseye
vulnerable
bullseye (security)
vulnerable
bookworm
1:1.39.12-1~deb12u1
fixed
bookworm (security)
1:1.39.12-1~deb12u1
fixed
sid
1:1.43.1+dfsg-2
fixed
trixie
1:1.43.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
mediawiki
plucky
needs-triage
oracular
needs-triage
noble
needs-triage
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
Common Weakness Enumeration
References
https://phabricator.wikimedia.org/T358689