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
Published Sep 29, 2026
·Updated
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.
Affected Software
1 affected component
Joomla joomla>=1.5.0<=5.4.8, >=6.0.0<=6.1.3
Event History
Sep 29, 2026
CVE Published
via MITRE·04:40 PM
Data Sourced
via MITRE·04:40 PM
DescriptionWeakness
Data Sourced
via NVD·05:17 PM
DescriptionSeverityWeakness