CVE-2026-65884

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.

References

• https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/
• https://www.balbooa.com/gridbox