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Status published
Unknown
CVE-2020-27783
A XSS vulnerability was discovered in python-lxml's clean module. The...
Vulnerability 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 Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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/
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Affected Vendor
Affected Software
python-lxml
Vulnerable Versions:
lxml-4.6.2
Timeline
Official Publish:
December 3rd, 2020
Last Modified:
December 17th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available