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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-2467-1 | lxml security update |
Debian DLA |
DLA-2467-2 | lxml regression update |
Debian DSA |
DSA-4810-1 | lxml security update |
EUVD |
EUVD-2020-0102 | 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. |
Github GHSA |
GHSA-pgww-xf46-h92r | lxml vulnerable to Cross-site Scripting |
Ubuntu USN |
USN-4666-1 | lxml vulnerability |
Ubuntu USN |
USN-4666-2 | lxml vulnerability |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 17 Dec 2025 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Projects
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Status: PUBLISHED
Assigner: redhat
Published:
Updated: 2025-12-17T21:02:06.822Z
Reserved: 2020-10-27T00:00:00.000Z
Link: CVE-2020-27783
Updated: 2024-08-04T16:25:42.427Z
Status : Modified
Published: 2020-12-03T17:15:13.177
Modified: 2025-12-17T21:15:52.560
Link: CVE-2020-27783
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
Debian DSA
EUVD
Github GHSA
Ubuntu USN