Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-65885

Severity CVSS v4.0:
CRITICAL
Type:
CWE-434 Unrestricted Upload of File with Dangerous Type
Publication date:
29/07/2026
Last modified:
29/07/2026

Description

Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox

Impact

Vector 4.0
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:A/AU:Y/U:Red CVSS v4.0 Severity and Metrics:

Base Score: 9.40 CRITICAL
Vector: 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:A/AU:Y/U:Red

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High
Automatable (AU): Yes
Provider Urgency (U): Red
Exploit Maturity (E): Attacked

Base Score 4.0
9.40
Severity 4.0
CRITICAL

References to Advisories, Solutions, and Tools