CVE-2026-102427 OrdaSoft Joomla CCK - Remote Code Execution

OrdaSoft Joomla CCK < 8.3.16 contains an unauthenticated remote code execution caused by lack of authentication and improper file extension validation in site/uploader.php, letting attackers upload and execute PHP code remotely, exploit requires no authentication.

CVSS base score 10.0 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.79% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to version 8.3.16 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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