Vulnerability Monitor

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CVE-2020-27783

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.

Published

2020-12-03T17:15:13.177

Last Modified

2024-11-21T05:21:49.663

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

8.6

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-79
  • Type: Secondary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application lxml lxml < 4.6.2 Yes
Application redhat software_collections - Yes
Operating System redhat enterprise_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System fedoraproject fedora 32 Yes
Operating System fedoraproject fedora 33 Yes
Application netapp snapcenter - Yes
Application oracle communications_offline_mediation_controller 12.0.0.3.0 Yes
Application oracle zfs_storage_appliance_kit 8.8 Yes
References