Security Advisory

CVE-2018-19787

6.1
MEDIUM

Vulnerability 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.
Published Date December 2, 2018
Official Source NIST NVD Advisory