CVE-2026-65889: CWE-284 Improper Access Control in balbooa.com Gridbox extension for Joomla
Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion < 2.20.2 - The generateNewApp method allows actors to recursively delete directories.
AI Analysis
Technical Summary
The Gridbox extension for Joomla, developed by balbooa.com, contains an improper access control vulnerability (CWE-284) combined with directory traversal issues (CWE-22) in versions 1.0.0 up to 2.20.1. The generateNewApp method can be exploited by unauthenticated attackers to recursively delete directories, potentially causing extensive damage to the affected system. The CVSS 4.0 base score is 9.2, indicating critical severity with network attack vector, no privileges or user interaction required, and high impact on availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to recursively delete directories on the server hosting the Joomla Gridbox extension, leading to potential data loss and service outages. The vulnerability directly impacts system availability and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Until a patch is available, restrict access to the affected extension and monitor for unusual deletion activity related to the generateNewApp method.
CVE-2026-65889: CWE-284 Improper Access Control in balbooa.com Gridbox extension for Joomla
Description
Joomla Extension - balbooa.com - Unauthenticated recursive directory deletion < 2.20.2 - The generateNewApp method allows actors to recursively delete directories.
CVSS v4.0
Score 9.2critical
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Gridbox extension for Joomla, developed by balbooa.com, contains an improper access control vulnerability (CWE-284) combined with directory traversal issues (CWE-22) in versions 1.0.0 up to 2.20.1. The generateNewApp method can be exploited by unauthenticated attackers to recursively delete directories, potentially causing extensive damage to the affected system. The CVSS 4.0 base score is 9.2, indicating critical severity with network attack vector, no privileges or user interaction required, and high impact on availability.
Potential Impact
Successful exploitation allows unauthenticated attackers to recursively delete directories on the server hosting the Joomla Gridbox extension, leading to potential data loss and service outages. The vulnerability directly impacts system availability and integrity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Until a patch is available, restrict access to the affected extension and monitor for unusual deletion activity related to the generateNewApp method.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-07-23T09:17:01.410Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6a093c9c2644c7f89a3137
Added to database: 07/29/2026, 14:07:56 UTC
Last enriched: 07/29/2026, 14:24:03 UTC
Last updated: 07/29/2026, 21:24:39 UTC
Views: 4
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