CRITICAL 10.0 NVD

CVE-2026-65884

Joomla Extension - balbooa.com - Privilege Escalation in Gridbox < 2.20.2 - The registration method allows users provided usergroup IDs, allowing unauthenticate

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

Published: 2026-07-29 · Source: NVD · Feed updated: 2026-08-04

This critical severity vulnerability with a CVSS score of 10.0 was published on 2026-07-29 via NVD.

Risk Timeline

CVE Disclosed2026-07-29 · 5 days ago

Remediation Resources

Official Advisory

mysites.guru/blog/gridbox-23-critical-vulnerabilities/

Analysis & PoC

www.balbooa.com/gridbox

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