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CVE-2026-73373Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2
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.
8.9 HIGHEPSS 0.64%Not in KEVNVD: Analyzed
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 8.9 | HIGH | 4.0Joomla (CNA) | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| 9.8 | CRITICAL | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Details
- CVE ID
- CVE-2026-73373
- Status
- Analyzed
- Assigner (CNA)
- Joomla
- Published
- Aug 18, 2026
- Last modified
- 2026-10-22 22:10 UTC
- Weaknesses
- CWE-434 · Unrestricted Upload of File with Dangerous Type
Affected Products
As published by the CNA in the CVE record.
Joomla! ProjectJoomla! CMS2 version ranges
- 1.0.0-5.4.6
- 6.0.0-6.1.2
Joomla! ProjectJoomla! Framework Filesystem package2 version ranges
- 1.0.0-3.3.0
- 4.0.0-4.2.0