Vulnerability · Published Jul 29, 2026 · Assigned by Joomla
CVE-2026-66489Joomla Extension - balbooa.com - Various unauthenticated file system disclosure in Gridbox < 2.20.2
Medium 5.3
In plain English
A medium-severity information exposure 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 28% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 71.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - balbooa.com - Various unauthenticated file system disclosure in Gridbox < 2.20.2
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.1 |
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- https://www.balbooa.com/gridbox product
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/ third-party-advisory