CVE-2026-92231
7.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:P
Summary
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
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Joomla! Project | Joomla! CMS | 1.5.0-5.4.8 | affected |
| Joomla! Project | Joomla! CMS | 6.0.0-6.1.3 | affected |
| Joomla! Project | Joomla! Framework Filter package | 1.0.0-3.0.6 | affected |
| Joomla! Project | Joomla! Framework Filter package | 4.0.0-4.1.0 | affected |
Weaknesses
- CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://www.joomla.org/
- https://developer.joomla.org/security-centre/1095-20260915-core-xss-filter-bypass-in-inputfilter-via-html5-entity-decode-mismatch.html
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