Detections
Analytics

SCA: security update for lxml-html-clean (GHSA-5jfw-gq64-q45f)

medium Tenable Cloud Security Plugin ID 410889

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to
 version 0.4.0, the HTML Parser in lxml does not properly handle context-switching for special HTML tags
 such as `<svg>`, `<math>` and `<noscript>`. This behavior deviates from how web browsers parse and
 interpret such tags. Specifically, content in CSS comments is ignored by lxml_html_clean but may be
 interpreted differently by web browsers, enabling malicious scripts to bypass the cleaning process. This
 vulnerability could lead to Cross-Site Scripting (XSS) attacks, compromising the security of users relying
 on lxml_html_clean in default configuration for sanitizing untrusted HTML content. Users employing the
 HTML cleaner in a security-sensitive context should upgrade to lxml 0.4.0, which addresses this issue. As
 a temporary mitigation, users can configure lxml_html_clean with the following settings to prevent the
 exploitation of this vulnerability. Via `remove_tags`, one may specify tags to remove - their content is
 moved to their parents' tags. Via `kill_tags`, one may specify tags to be removed completely. Via
 `allow_tags`, one may restrict the set of permissible tags, excluding context-switching tags like `<svg>`,
 `<math>` and `<noscript>`. (CVE-2024-52595)

See Also

https://github.com/advisories/GHSA-5jfw-gq64-q45f

Plugin Details

Severity: Medium

ID: 410889

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 6/1/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.14

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2024-52595

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/19/2024

Vulnerability Publication Date: 11/19/2024

Reference Information

CVE: CVE-2024-52595