Account Takeover Vulnerability in Balbooa Gridbox Extension
CVE-2026-65888

10CRITICAL

Key Information:

Vendor

Balbooa.com

Status
Gridbox Extension For Joomla
Vendor
CVE Published:
29 July 2026

What is CVE-2026-65888?

The Balbooa Gridbox extension for Joomla is affected by a vulnerability that allows unauthorized users to log in as any registered user on the site through the socialLogin method. Versions prior to 2.20.2 do not properly validate user identities, leading to potential account takeover. It's essential for users to update their extensions to ensure robust security against unauthorized access.

Affected Version(s)

Gridbox extension for Joomla 1.0.0-2.20.1

References

https://www.balbooa.com/gridbox
product
https://mysites.guru/blog/gridbox-23-critical-vulnerabili...
third-party-advisory

CVSS V4

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Phil Taylor
.