{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T16:12:24.008","vulnerabilities":[{"cve":{"id":"CVE-2026-28348","sourceIdentifier":"security-advisories@github.com","published":"2026-03-05T20:16:16.180","lastModified":"2026-03-09T20:55:16.367","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"lxml_html_clean es un proyecto para funcionalidades de limpieza de HTML copiado de 'lxml.html.clean'. Antes de la versión 0.4.4, el método _has_sneaky_javascript() elimina las barras invertidas antes de verificar palabras clave CSS peligrosas. Esto provoca que las secuencias de escape Unicode de CSS omitan los filtros @import y expression(), permitiendo la carga externa de CSS o XSS en navegadores antiguos. Este problema ha sido parcheado en la versión 0.4.4."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-116"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:fedoralovespython:lxml_html_clean:*:*:*:*:*:python:*:*","versionEndExcluding":"0.4.4","matchCriteriaId":"A0BBE70C-C635-4143-83FD-87D7D95B37DD"}]}]}],"references":[{"url":"https://github.com/fedora-python/lxml_html_clean/commit/2ef732667ddbc74ea59847bcf24b75809aaeed3b","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-hw26-mmpg-fqfg","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://github.com/fedora-python/lxml_html_clean/security/advisories/GHSA-hw26-mmpg-fqfg","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Vendor Advisory"]}]}}]}