CVE-2026-73373
criticalJoomla!
Vendor / product: Joomla — joomla\!
Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2 - The default list of dangerous files did not include SHTML files. On servers that executed these files, that could lead to code execution.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-08-18 16:18
Modified: 2026-10-22 22:10
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 07:07 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\! ≥1.0.0 <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/1077-20260810-core-unrestricted-uploads-of-sh... security@joomla.org
- https://www.joomla.org/ security@joomla.org
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:07 UTC · record ↗