cbcvebase.
CVE-2020-27783
published 2020-12-03

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…

medium6.1CVSS 3.1
AVNACLPRNUIRSCCLILAN
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.

Affected

20 ranges
VendorProductVersion rangeFixed in
debiandebian_linux
debiandebian_linux
debianlxml< lxml 4.6.2-1 (bookworm)lxml 4.6.2-1 (bookworm)
fedoraprojectfedora
fedoraprojectfedora
lxmllxml>= 0 < 4.6.2-14.6.2-1
lxmllxml>= 0 < 4.6.2-14.6.2-1
lxmllxml>= 0 < 4.6.2-14.6.2-1
lxmllxml>= 0 < 4.6.2-14.6.2-1
lxmllxml>= 0 < 4.6.24.6.2
lxmllxml>= 1.2 < 4.6.24.6.2
msrccbl2_python-lxml_4.8.0-1_on_cbl_mariner_2.0
msrccbl_mariner_1.0_arm
msrccbl_mariner_1.0_x64
msrccbl_mariner_2.0_arm
msrccbl_mariner_2.0_x64
msrccm1_python-lxml_4.6.3-1_on_cbl_mariner_1.0
oraclecommunications_offline_mediation_controller
oraclezfs_storage_appliance_kit
redhatenterprise_linux

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
osv6.1MEDIUM