CVE-2020-27783

PoC ×2—

CVSS 3.1

6.1 medium

EPSS

4%p90

Published

Dec 3, 2020 (Dec 3, 2020)

Modified

Jun 17, 2026

Description

A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.

Vendors: lxml redhat debian fedoraproject netapp oracle
Products: lxml, software collections, enterprise linux, debian linux, fedora, snapcenter, communications offline mediation controller, zfs storage appliance kit
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (4.0%)

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