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CVE-2026-49825

lxml: javascript: URL bypass in Cleaner via xlink:href PUBLISHED

Description (CNA)

lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.1, link attributes in ``lxml.html.defs.link_attrs`` were missing ``xlink:href``, which can be used for URL bypass attacks in embedded SVG/MathML/etc. content. This vulnerability was fixed in lxml 6.1.1 and lxml_html_clean 0.4.5.

Affected (CNA)

Vendor / productVersions
lxml / lxmlaffected < 6.1.1
fedora-python / lxml_html_cleanaffected < 0.4.5

CWE

CWE-79, CWE-184

References

ADP enrichment

CISA-ADP

No English description supplied.