CVE-2020-27783
Public on 2020-12-03
Modified on 2024-02-05
Description
A Cross-site Scripting (XSS) vulnerability was found in the python-lxml's clean module. The module's parser did not properly imitate browsers, causing different behaviors between the sanitizer and the user's page. This flaw allows a remote attacker to run arbitrary HTML/JS code. The highest threat from this vulnerability is to confidentiality and integrity.
Severity
Medium
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | python-lxml | 2023-03-17 | ALAS-2023-1709 | Fixed |
| Amazon Linux 2 - Core | python-lxml | 2021-06-16 | ALAS2-2021-1666 | Fixed |
| Amazon Linux 2023 | python-lxml | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | CVSSv2 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| NVD | CVSSv3 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |