CVE-2026-28350

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

05/03/2026

Last modified:

09/03/2026

Description

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.10 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None