CVE-2020-35478

NameCVE-2020-35478
DescriptionMediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. MediaWiki:blanknamespace potentially can be output as raw HTML with SCRIPT tags via LogFormatter::makePageLink(). This affects MediaWiki 1.33.0 and later.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)buster1:1.31.16-1+deb10u2fixed
buster (security)1:1.31.16-1+deb10u7fixed
bullseye (security), bullseye1:1.35.13-1~deb11u1fixed
bookworm, bookworm (security)1:1.39.5-1~deb12u1fixed
sid, trixie1:1.39.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcestretch(not affected)
mediawikisourcebuster(not affected)
mediawikisource(unstable)1:1.35.1-1

Notes

[buster] - mediawiki <not-affected> (Introduced in 1.33)
[stretch] - mediawiki <not-affected> (Introduced in 1.33)
https://phabricator.wikimedia.org/T268938
https://lists.wikimedia.org/pipermail/wikitech-l/2020-December/094126.html

Search for package or bug name: Reporting problems