CVE-2026-66915 Joomla Extension - fabrikar.com - Unauthenticated remote code execution in Fabrik < 4.7.2
Unauthenticated attackers can execute arbitrary code via the ajax_calc feature in the Fabrik extension for Joomla.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-66915?
CVE-2026-66915 is a critical code injection vulnerability in fabrikar.com Fabrik extension for Joomla, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Joomla Extension - fabrikar.com - Remote code execution in Fabrik < 4.7.2 - An unauthenticated attacker could execute arbitrary code by using the ajax_calc feature of the calc plugin.
Weakness: CWE-94
Which versions are affected by CVE-2026-66915?
How do I fix CVE-2026-66915?
No fix has been published for CVE-2026-66915 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-2026-66915 being exploited?
There is no known exploitation of CVE-2026-66915 in the wild and no public exploit code.
Sources
Also known as GHSA-ch8m-c7x9-7r7f.