CVE-2026-65884

Balbooa · Published July 29, 2026

9.8

CVSS v3.1

CRITICAL

Patch availableGet patch

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

Gridbox < 2.20.2

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H