What’s Vulnerable › Vulnerabilities
CVE-2026-65885: Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.5% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-29 · updated 2026-10-23
- Weakness: CWE-434
Description
Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows authenticated attackers to upload arbitrary files. Turns into an authenticated RCE if combined with CVE-2026-65884 as the required account can be created by the attacker.
Affected products
- balbooa.com Gridbox extension for Joomla: before 2.20.2 — fixed in 2.20.2
How to fix
Upgrade to a fixed version: balbooa.com Gridbox extension for Joomla 2.20.2. Check the vendor advisory for mitigations.
References
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