CVE-2026-88856 Code injection in OrdaSoft Joomla Gallery extension for Joomla
Authenticated attackers can execute arbitrary PHP code via the update task in the OrdaSoft Joomla Gallery extension.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88856?
CVE-2026-88856 is a critical code injection vulnerability in OrdaSoft.com OrdaSoft Joomla Gallery extension for Joomla, published on 20 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Weakness: CWE-94
Which versions are affected by CVE-2026-88856?
How do I fix CVE-2026-88856?
No fix has been published for CVE-2026-88856 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-88856 being exploited?
There is no known exploitation of CVE-2026-88856 in the wild and no public exploit code.
Sources
Also known as GHSA-c6pf-wcwh-mw6r.