CVE-2026-92231
mediumJoomla!
Vendor / product: Joomla — joomla\!
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.
CVSS
6.7
6.7 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-29 17:17
Modified: 2026-10-06 16:41
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
joomla / joomla\! ≥1.5.0 <5.4.8, ≥6.0.0 <6.1.3
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://developer.joomla.org/security-centre/1095-20260915-core-xss-filter-bypass-in-input... security@joomla.org
- https://www.joomla.org/ security@joomla.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗