CVE-2018-19787

Name	CVE-2018-19787
Description	An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2467-1, ELA-323-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lxml (PTS)	jessie, jessie (lts)	3.4.0-1+deb8u5	fixed
	stretch (security), stretch (lts), stretch	3.7.1-1+deb9u5	fixed
	buster (security), buster, buster (lts)	4.3.2-1+deb10u4	fixed
	bullseye (security), bullseye	4.6.3+dfsg-0.1+deb11u1	fixed
	bookworm	4.9.2-1	fixed
	sid, trixie	5.3.0-1	fixed

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

Package	Type	Release	Fixed Version	Origin
lxml	source	jessie	3.4.0-1+deb8u2	ELA-323-1
lxml	source	stretch	3.7.1-1+deb9u1	DLA-2467-1
lxml	source	(unstable)	4.2.5-1

Fixed by: https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109 (lxml-4.2.5)