What is GHSA-8v43-g7hc-r72g?

GHSA-8v43-g7hc-r72g is a security advisory published by GitHub Security Advisories with High severity. Joomla! Core - [20260915] - Core - XSS filter bypass in InputFilter via HTML5 entity decode...

Which CVE IDs does GHSA-8v43-g7hc-r72g cover?

GHSA-8v43-g7hc-r72g covers the following CVE IDs: CVE-2026-92231. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-8v43-g7hc-r72gHigh

Joomla! Core - [20260915] - Core - XSS filter bypass in InputFilter via HTML5 entity decode...

Vendor

GitHub Security Advisories

Published

September 29, 2026

Last Modified

September 29, 2026

🔗 CVE IDs covered (1)

CVE-2026-92231 →

📋 Description

Joomla! Core - [20260915] - Core - XSS filter bypass in InputFilter via HTML5 entity decode mismatch in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The checkAttribute method normalized an attribute value before testing it against the "javascript:" scheme regex, however without decoding HTML5 entities beforehand, causing an XSS vector.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-92231
https://developer.joomla.org/security-centre/1095-20260915-core-xss-filter-bypass-in-inputfilter-via-html5-entity-decode-mismatch.html
https://www.joomla.org
https://github.com/advisories/GHSA-8v43-g7hc-r72g