lxml HTML Cleaner Vulnerability (DC-2024-52595) – Critical

2024-11-25

This article describes a critical vulnerability (CVE-2024-52595) in

Vulnerability Details

Platform: lxml (HTML cleaning functionality)
Version: Before 0.4.0
Vulnerability: Improper context handling for special HTML tags (SVG, Math, Noscript)
Severity: Critical (CVSS score likely high)
Date: November 19, 2024 (published), November 25, 2024 (last modified)

Mitigation

Upgrade to lxml version 0.4.0 (fixes the issue)

Configure lxml_html_clean with:

`remove_tags` to remove specific tags

`kill_tags` to completely remove tags

`allow_tags` to restrict allowed tags (excluding SVG, Math, Noscript)

What Undercode Says:

This vulnerability highlights the importance of keeping software libraries updated, especially those used for security-sensitive tasks like sanitizing untrusted data. Users of lxml_html_clean should upgrade or implement the provided temporary mitigations as soon as possible.

References:

Reported By: Nvd.nist.gov
Undercode AI: https://ai.undercodetesting.com

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