CVE-2026-65885
Last modified
CVE-2026-65885 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Balbooa | Gridbox | < 2.20.2 |
References
- https://mysites.guru/blog/gridbox-23-critical-vulnerabilities/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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- CVE-2026-65884Joomla Extension - balbooa.com - Privilege Escalation in Gri…9.8
- CVE-2026-65886Joomla Extension - balbooa.com - Unauthenticated arbitrary f…7.5
- CVE-2026-65887Joomla Extension - balbooa.com - Unauthenticated arbitrary p…9.8
- CVE-2026-65888Joomla Extension - balbooa.com - Account takeover vulnerabil…9.8
- CVE-2026-65889Joomla Extension - balbooa.com - Unauthenticated recursive d…7.5
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Scan your code nowSource: NVD / NIST