Vulnerability · Published Oct 27, 2026 · Assigned by Joomla
CVE-2026-102789Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2
Critical 9.3
In plain English
A critical-severity improper access control in Gridbox extension for Joomla from balbooa.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.3%top 75.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - balbooa.com - Missing Authorization Check on Editor Controller Task in Gridbox < 2.20.4.2 - EditorController::getBlogPosts() reads the order parameter and invokes getBlogPosts() . Unlike other tasks in this controller, it omits the GridboxHelper::checkUserEditLevel() check.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.4.1 |
Weakness: CWE-284 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://www.balbooa.com/gridbox product