Security Advisory
CVE-2021-43818
8.2
HIGH
Vulnerability Description
lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.
Published Date
December 13, 2021
Official Source
NIST NVD Advisory