CVE-2026-65885
Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2
- State
- Published
- Severity
- 9.4 Critical
- Published
- Jul 29, 2026
- Updated
- Aug 12, 2026
- Reserved
- Jul 23, 2026
Description
Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows authenticated attackers to upload arbitrary files. Turns into an authenticated RCE if combined with CVE-2026-65884 as the required account can be created by the attacker.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y/U:Red | Joomla |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
Gridbox extension for Joomlabalbooa.com |
|
References
- https://www.balbooa.com/gridboxproduct
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/third-party-advisory
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