CVE-2026-58032

NameCVE-2026-58032
DescriptionImproper 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.Api/index.Js. This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-6380-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)bookworm, bookworm (security)1:1.39.17-1+deb12u2vulnerable
trixie (security), trixie1:1.43.9+dfsg-1~deb13u1fixed
forky, sid1:1.43.9+dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcetrixie1:1.43.9+dfsg-1~deb13u1DSA-6380-1
mediawikisource(unstable)1:1.43.9+dfsg-1

Notes

https://phabricator.wikimedia.org/T426867
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306213 (master)
https://gerrit.wikimedia.org/r/c/mediawiki/core/+/1306310 (REL1_43)
Search for package or bug name: Reporting problems