PT-2026-65785 · Balbooa.Com · Gridbox Extension For Joomla

Pascal Lohmann + 1 · CVE-2026-65884 · Published 2026-07-29 · Updated 2026-07-29

NVD

CVSS v4.0

10

Critical

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red

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.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-65884

Affected Products

Gridbox Extension For Joomla

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-65884 · Security Note
• https://balbooa.com/gridbox · Note