CVE-2011-1579

Name	CVE-2011-1579
Description	The 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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2366-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mediawiki (PTS)	stretch (security)	1:1.27.7-1+deb9u11	fixed
	stretch (lts), stretch	1:1.27.7-1+deb9u13	fixed
	buster (security), buster, buster (lts)	1:1.31.16-1+deb10u8	fixed
	bullseye	1:1.35.13-1+deb11u2	fixed
	bullseye (security)	1:1.35.13-1+deb11u3	fixed
	bookworm (security), bookworm	1:1.39.10-1~deb12u1	fixed
	sid, trixie	1:1.39.10-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mediawiki	source	lenny	1:1.12.0-2lenny9		DSA-2366-1
mediawiki	source	squeeze	1:1.15.5-2squeeze2		DSA-2366-1
mediawiki	source	(unstable)	1:1.15.5-5