CVE-2026-65886
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk29th percentile - higher than 29% of all known CVEs
Summary
Joomla Extension Gridbox below version 2.20.2 has a vulnerability allowing an unauthenticated attacker to read arbitrary files via the photo viewer.
Risk Assessment
An attacker can access sensitive files, such as configurations or user data, without authentication.
Recommendation
Update Gridbox to version 2.20.2 or later.
Other vulnerabilities in Gridbox
See all- CVE-2026-65888Critical
The Joomla extension Gridbox before version 2.20.2 has an account takeover vulnerability. The socialLogin method allows an attacker to log in as any user on the target site.
- CVE-2026-65887Critical
Joomla Extension Gridbox below version 2.20.2 has a vulnerability allowing an unauthenticated attacker to reset any user's password (excluding super admins). This allows logging in and acting as those users.
- CVE-2026-65890Critical
Joomla Extension Gridbox below version 2.20.2 has multiple SQL injection vectors allowing an unauthenticated attacker to inject SQL queries.
- CVE-2026-65884Critical
Joomla Extension Gridbox below version 2.20.2 has a privilege escalation vulnerability. The registration method allows users to provide usergroup IDs, enabling an unauthenticated attacker to register an account with administrative permissions.
- CVE-2026-61425Critical
The Joomla extension Gridbox versions below 1.6.0 contains an authentication bypass vulnerability. An attacker can gain full administrative access without providing valid credentials.
- CVE-2026-65947High
Joomla Extension Gridbox from balbooa.com versions < 2.20.2 has various CSRF vectors in the admin interface.
- CVE-2026-66490Medium
Joomla Extension - balbooa.com - contains a stored cross-site scripting vulnerability via a comment avatar in Gridbox before version 2.20.2.
- CVE-2026-66489Medium
Joomla Extension Gridbox from balbooa.com versions < 2.20.2 has various unauthenticated file system disclosure vectors.
- CVE-2026-66488Medium
Joomla Extension Gridbox from balbooa.com versions < 2.20.2 has a payment bypass vulnerability.
- CVE-2026-65889High
Joomla Extension Gridbox below version 2.20.2 has a vulnerability allowing an unauthenticated attacker to recursively delete directories via the generateNewApp method.
Original NVD description (English source)
Joomla Extension - balbooa.com - Unauthenticated arbitrary file read in Gridbox < 2.20.2 - The photo viewer allows unauthenticated attackers to view arbitrary files.