CVE-2014-3146

Name	CVE-2014-3146
Description	Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) attacks via control characters in the link scheme to the clean_html function.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-0009-1, DSA-2941-1
NVD severity	medium (attack range: remote)
Debian Bugs	746812

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lxml (PTS)	jessie	3.4.0-1	fixed
	stretch	3.7.1-1	fixed
	buster, sid	4.2.1-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lxml	source	(unstable)	3.3.5-1	medium		746812
lxml	source	squeeze	2.2.8-2+deb6u1	medium
lxml	source	wheezy	2.3.2-1+deb7u1	medium	DSA-2941-1

Notes

http://lxml.de/3.3/changes-3.3.5.html
http://seclists.org/fulldisclosure/2014/Apr/210
https://github.com/lxml/lxml/commit/e86b294f1f81b899a59925123560ff924a72f1cc