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    CVE-2026-28350

    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.

    Published:Mar 5, 2026
    Last Modified:Apr 16, 2026
    EPS:Mar 5, 2026
    EPSS Score:0.00014
    CVSS Score:6.1

    Affected Products

    Vendor
    Fedora-python
    Product
    Lxml Html Clean
    Vendor
    Fedoralovespython
    Product
    Lxml Html Clean

    Exploits

    https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-xvp8-3mhv-424chttps://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-xvp8-3mhv-424c

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High