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CVE-2026-28350

NVD

https://nvd.nist.gov/vuln/detail/CVE-2026-28350

Severity

6.1

Medium

CVSS V3

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Summary

lxml_html_clean: <base> tag injection through default Cleaner configuration

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.

References

Affected packages

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