What’s Vulnerable › Vulnerabilities
CVE-2026-65884: Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-29 · updated 2026-10-23
- Weakness: CWE-284
Description
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.
Affected products
- balbooa.com Gridbox extension for Joomla: before 2.20.2 — fixed in 2.20.2
How to fix
Upgrade to a fixed version: balbooa.com Gridbox extension for Joomla 2.20.2. Check the vendor advisory for mitigations.
References
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