CVE-2026-61425

CRITICAL

Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0

Title source: cna
STIX 2.1

Description

Joomla Extension - balbooa.com - Authentication bypass in Gridbox < 1.6.0 - The Joomla extension Gridbox is vulnerable an authenticated bypass, potentially leading to full admin access.

References (2)

Core 2
Core References
Third Party Advisory third-party-advisory
https://mysites.guru/blog/gridbox-critical-authentication-bypass/

Scores

CVSS v4 9.4
EPSS 0.0033
EPSS Percentile 25.3%
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/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:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-288
Status published
Products (1)
balbooa.com/Gridbox extension for Joomla 1.0.0-2.20.0.2
Published Jul 20, 2026
Tracked Since Jul 21, 2026