CVE-2026-28350 Common Vulnerabilities and Exposures

Upstream information

CVE-2026-28350 at MITRE

Description

lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the <base> tag passes through the default Cleaner configuration. While page_structure=True removes html, head, and title tags, there is no specific handling for <base>, allowing an attacker to inject it and hijack relative links on the page. This issue has been patched in version 0.4.4.

Other Security Trackers

EUVD-2026-9511

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail	CNA (GitHub)
Base Score	6.1
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Changed
Confidentiality Impact	Low
Integrity Impact	Low
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1259379 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s)	Fixed package version(s)	References
openSUSE Tumbleweed	`python311-lxml_html_clean >= 0.4.4-1.1` `python313-lxml_html_clean >= 0.4.4-1.1`	Patchnames: openSUSE-Tumbleweed-2026-10322

SUSE Timeline for this CVE

CVE page created: Thu Mar 5 22:04:35 2026
CVE page last modified: Wed Mar 11 21:44:42 2026