CVEDB API

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Vulnerable Software

Vulnerability Details CVE-2026-28348

lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.4, the _has_sneaky_javascript() method strips backslashes before checking for dangerous CSS keywords. This causes CSS Unicode escape sequences to bypass the @import and expression() filters, allowing external CSS loading or XSS in older browsers. This issue has been patched in version 0.4.4.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 7.4%

CVSS Severity

CVSS v3 Score 6.1

References

Products affected by CVE-2026-28348

Fedoralovespython » Lxml Html Clean » Version: N/A

cpe:2.3:a:fedoralovespython:lxml_html_clean:-
Fedoralovespython » Lxml Html Clean » Version: 0.1.0

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.1.0
Fedoralovespython » Lxml Html Clean » Version: 0.1.1

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.1.1
Fedoralovespython » Lxml Html Clean » Version: 0.2.0

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.2.0
Fedoralovespython » Lxml Html Clean » Version: 0.2.1

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.2.1
Fedoralovespython » Lxml Html Clean » Version: 0.2.2

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.2.2
Fedoralovespython » Lxml Html Clean » Version: 0.3.0

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.3.0
Fedoralovespython » Lxml Html Clean » Version: 0.3.1

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.3.1
Fedoralovespython » Lxml Html Clean » Version: 0.4.0

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.4.0
Fedoralovespython » Lxml Html Clean » Version: 0.4.1

cpe:2.3:a:fedoralovespython:lxml_html_clean:0.4.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-28348

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