PYSEC-2021-19

An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run...

PYSEC-2021-19

An XSS vulnerability was discovered in python-lxml's clean module versions before 4.6.3. When disabling the safeattrsonly and forms arguments, the Cleaner class does not remove the formaction attribute allowing for JS to bypass the sanitizer. A remote attacker could exploit this flaw to run...

PT-2020-6126 · Lxml +9 · Lxml +9

Name of the Vulnerable Software and Affected Versions: lxml versions prior to 4.6.3 Description: A remote attacker could exploit this flaw to run arbitrary JS code on users who interact with incorrectly sanitized HTML. The issue arises when the safe attrs only and forms arguments are disabled in...