CVE-2020-27783 | BDVDB-2026-145405 Detail
python-lxml
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://bugzilla.redhat.com/show_bug.cgi?id=1901633
- https://www.debian.org/security/2020/dsa-4810
- https://lists.debian.org/debian-lts-announce/2020/12/msg00028.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TMHVKRUT22LVWNL3TB7HPSDHJT74Q3JK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JKG67GPGTV23KADT4D4GK4RMHSO4CIQL/
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://advisory.checkmarx.net/advisory/CX-2020-4286
- https://security.netapp.com/advisory/ntap-20210521-0003/
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.