CVE-2020-27783CWE-79

A XSS vulnerability was discovered in python-lxml's clean module

Medium · published December 3, 2020

CVSS v3.1
6.1
EPSS
4%
Percentile
90.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.03982 · 90.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2020-12-03T16:39Z
EPSS history
Timeline
  • 03 DEC 16:39Z
    A XSS vulnerability was discovered in python-lxml's clean module
    cvelistv5