Unrestricted file upload in Balbooa Gridbox extension for Joomla
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-65885
- 2026-10-03 Alias added: GHSA-ch97-6m5m-2jh8
References
More Balbooa Gridbox vulnerabilities
- TI-2018-08357 The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is… CVSS 3.0MEDIUM 6.1
- TI-2026-46929 Improper access control in Balbooa Gridbox extension for Joomla CVSS 4.0CRITICAL 10.0
- TI-2026-46928 Improper access control in Balbooa Gridbox extension for Joomla CVSS 4.0CRITICAL 10.0
- TI-2026-46925 Improper access control in Balbooa Gridbox extension for Joomla CVSS 4.0CRITICAL 10.0
- TI-2026-46931 SQL injection in Balbooa Gridbox extension for Joomla CVSS 4.0CRITICAL 9.2
- TI-2026-46930 Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion in Gridbox < 2.20.2 CVSS 4.0CRITICAL 9.2
Sources
- CVE-2026-65885 · CVE Program
- CVE-2026-65885 · NVD
- FIRST EPSS
- GHSA-ch97-6m5m-2jh8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences