Vulnerability · Published Aug 10, 2026 · Assigned by Joomla
CVE-2026-66915Joomla Extension - fabrikar.com - Unauthenticated remote code execution in Fabrik < 4.7.2
Critical 10.0
In plain English
A critical-severity code injection in Fabrik extension for Joomla from fabrikar.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 58% of all known vulnerabilities).
Severity (CVSS 4.0)10.0Critical
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| fabrikar.com | Fabrik extension for Joomla | 1.0.0-4.7.1 |
Weakness: CWE-94 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://www.fabrikar.com/ product
- https://mysites.guru/blog/fabrik-unauthenticated-rce-calc-element/ third-party-advisory