Vulnerability · Published Jul 29, 2026 · Assigned by Joomla
CVE-2026-65886Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2
Critical 9.2
In plain English
A critical-severity path traversal 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 0.6% (higher than 46% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.6%top 53.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2 - The photo viewer allows unauthenticated attackers to view arbitrary files.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.1 |
Weakness: CWE-22 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
References
- https://www.balbooa.com/gridbox product
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/ third-party-advisory