CVE-2026-73373

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 4.0

8.9CVSS: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 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-25)

CWE

CWE-434

Published

2026-08-18

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

Affected

• joomla:joomla\!

References

• https://developer.joomla.org/security-centre/1077-20260810-core-unrestricted-uploads-of-shtml-files.html
• https://www.joomla.org/

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