CVE-2011-1579

NameCVE-2011-1579
DescriptionThe checkCss function in includes/Sanitizer.php in the wikitext parser in MediaWiki before 1.16.3 does not properly validate Cascading Style Sheets (CSS) token sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information by using the \2f\2a and \2a\2f hex strings to surround CSS comments.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2366-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
mediawiki (PTS)bullseye1:1.35.13-1+deb11u2fixed
bullseye (security)1:1.35.13-1+deb11u3fixed
bookworm1:1.39.10-1~deb12u1fixed
bookworm (security)1:1.39.12-1~deb12u1fixed
sid, trixie1:1.43.1+dfsg-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
mediawikisourcelenny1:1.12.0-2lenny9DSA-2366-1
mediawikisourcesqueeze1:1.15.5-2squeeze2DSA-2366-1
mediawikisource(unstable)1:1.15.5-5
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