Vulnerability · Published Jul 29, 2026 · Assigned by Joomla
CVE-2026-65890Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.2
Critical 9.2
In plain English
A critical-severity SQL injection 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 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.5%top 56.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - balbooa.com - Unauthenticated SQL injection in Gridbox < 2.20.2 - Multiple SQLi vectors allow unauthenticated actors to inject SQL in queries.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.1 |
Weakness: CWE-89 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H
References
- https://www.balbooa.com/gridbox product
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/ third-party-advisory