Vulnerability · Published Aug 22, 2026 · Assigned by Joomla
CVE-2026-77992Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2
Critical 9.5
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 0.4% (higher than 39% of all known vulnerabilities).
Severity (CVSS 4.0)9.5Critical
Exploit odds (30 days)0.4%top 61.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2 - The onUpdateComment endpoint did not perform any access checks.
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:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
References
- https://www.fabrikar.com/ product