CVE-2026-28350

MEDIUM
2026-03-05 [email protected] GHSA-xvp8-3mhv-424c
6.1
CVSS 3.1
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CVSS 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
Low
Integrity
Low
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
PoC Detected
Mar 09, 2026 - 20:55 vuln.today
Public exploit code
Patch Released
Mar 09, 2026 - 20:55 nvd
Patch available
CVE Published
Mar 05, 2026 - 20:16 nvd
MEDIUM 6.1

Tags

XSS Lxml Html Clean Suse

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.

Analysis

lxml_html_clean versions prior to 0.4.4 fail to sanitize <base> HTML tags, allowing attackers to inject malicious base tags and redirect relative links to attacker-controlled domains. Public exploit code exists for this vulnerability. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

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Priority Score

51
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +30
POC: +20

Vendor Status

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CVE-2026-28350 vulnerability details – vuln.today
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