CVE-2026-73373 PUBLISHED

Joomla! Core - [20260810] - Unrestricted uploads of SHTML files in Joomla 1.0.0-5.4.7, 6.0.0-6.1.2

Assigner: Joomla
Reserved: 12.08.2026 Published: 18.08.2026 Updated: 19.08.2026

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.

Metrics

CVSS Vector: 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
CVSS Score: 8.9

Product Status

Vendor Joomla! Project
Product Joomla! CMS
Versions Default: unaffected
  • Version 1.0.0-5.4.6 is affected
  • Version 6.0.0-6.1.2 is affected
Vendor Joomla! Project
Product Joomla! Framework Filesystem package
Versions Default: unaffected
  • Version 1.0.0-3.3.0 is affected
  • Version 4.0.0-4.2.0 is affected

Credits

  • Valentin Lobstein (Chocapikk) finder

References

Problem Types

  • CWE-434 Unrestricted Upload of File with Dangerous Type CWE