XSS in Joomla! Project Cms
CVE-2026-92231
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Joomla! Project Cms — versions 1.5.0-5.4.8, 6.0.0-6.1.3
- Joomla! Project Framework Filter Package — versions 1.0.0-3.0.6, 4.0.0-4.1.0
Weakness classification (CWE)
References
- www.joomla.org/ (product)
- developer.joomla.org/security-centre/1095-20260915-core-xss-filter-bypass-in-in… (vendor-advisory)