CVE-2013-4567

Name	CVE-2013-4567
Description	Incomplete blacklist vulnerability in Sanitizer::checkCss in MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3 allows remote attackers to conduct cross-site scripting (XSS) attacks via a \b (backspace) character in CSS.
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-2891-1
Debian Bugs	729629

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mediawiki (PTS)	bullseye	1:1.35.13-1+deb11u2	fixed
	bullseye (security)	1:1.35.13-1+deb11u3	fixed
	bookworm, bookworm (security)	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	squeeze	(unfixed)	end-of-life
mediawiki	source	wheezy	1:1.19.14+dfsg-0+deb7u1		DSA-2891-1
mediawiki	source	(unstable)	1:1.19.8+dfsg-2.2			729629
mediawiki-extensions	source	wheezy	3.5~deb7u1		DSA-2891-1

https://bugzilla.wikimedia.org/show_bug.cgi?id=55332