CVE-2026-65884

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/	Third Party Advisory
https://www.balbooa.com/gridbox	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:balbooa:gridbox:*:*:*:*:*:joomla\!:*:*

History

23 Oct 2026, 23:10

Type	Values Removed	Values Added
Summary		(es) Extensión de Joomla - balbooa.com - Escalada de privilegios en Gridbox anterior a 2.20.2 - El método de registro permite a los usuarios proporcionar IDs de grupos de usuarios, permitiendo a actores no autenticados registrar nuevas cuentas con permisos administrativos.

Information

Published : 2026-07-29 13:19

Updated : 2026-10-23 23:10

NVD link : CVE-2026-65884

Mitre link : CVE-2026-65884

CVE.ORG link : CVE-2026-65884

JSON object : View

Products Affected

balbooa

gridbox

CWE

CWE-284

Improper Access Control

NVD-CWE-noinfo

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