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CVE-2021-43818

HTML Cleaner allows crafted and SVG embedded scripts to pass through PUBLISHED

Description (CNA)

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.

Affected (CNA)

Vendor / productVersions
lxml / lxmlaffected < 4.6.5

CWE

CWE-74, CWE-79

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.