Vulnerability Intelligence Report
Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2
CVE-2026-65884
Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticated actors to register new accounts with administrative permissions.
No Active Exploit Signals
CVSS Base Score
10.0
CRITICAL
EPSS Probability:0.28%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-284 ↗CWE-284 Improper Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| balbooa.com | Gridbox extension for Joomla | 1.0.0-2.20.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.284%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Joomla! Project · Vendor · USA |
| Reserved | 2026-07-23T09:17:01 |
| Published | 2026-07-29T12:09:08 |
| Last Updated | 2026-08-12T13:56:01 |
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