CVE-2026-88856: Ordasoft.com Ordasoft Joomla Gallery Extension For Joomla

Critical severity, CVSS 9.4. EPSS: 0.7% chance of exploitation in the next 30 days.

Joomla Extension - OrdaSoft.com - Authenticated, Privileged Remote Code Execution in OrdaSoft Joomla Gallery extension for Joomla < 6.2.7 - The extensions updateOSGallery(), reached via task=update_osgallery, read a JSON request body and called the value of a method field as a live PHP function, passing the value of a package field as its single argument, with no allow-list or is_callable() check of any kind. Any function name compatible with a single argument was directly reachable, including system, exec, shell_exec, and passthru.

Affected products

• Ordasoft.com Ordasoft Joomla Gallery Extension For Joomla: version 1.0.0-6.2.6 only
• Ordasoft.com Ordasoft Joomla Gallery Free Extension For Joomla: version 1.0.0-6.2.6 only

Published 2026-09-20. Last modified 2026-09-22.