CVE-2021-43818 log

Source
Severity Medium
Remote Yes
Type Cross-site scripting
Description
Prior to python-lxml 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.
Group Package Affected Fixed Severity Status Ticket
AVG-2629 python-lxml 4.6.4-3 Medium Vulnerable
References
https://github.com/lxml/lxml/security/advisories/GHSA-55x5-fj6c-h6m8
https://github.com/lxml/lxml/commit/12fa9669007180a7bb87d990c375cf91ca5b664a
https://github.com/lxml/lxml/commit/f2330237440df7e8f39c3ad1b1aa8852be3b27c0