CVE-2020-27783
- State
- Published
- Severity
- 6.1 Medium
- Published
- Dec 3, 2020
- Updated
- Dec 17, 2025
- Reserved
- Oct 27, 2020
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | CISA-ADP |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
python-lxmln/a |
|
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1901633
- DSA-4810vendor-advisory
- [debian-lts-announce] 20201218 [SECURITY] [DLA 2467-2] lxml regression updatemailing-list
- FEDORA-2020-0e055ea503vendor-advisory
- FEDORA-2020-307946cfb6vendor-advisory
- 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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