CVE-2026-75950: CWE-284 Improper Access Control in cmsjunkie.com J-BusinessDirectory extension for Joomla
An improper access control vulnerability exists in the cmsjunkie.com J-BusinessDirectory extension for Joomla versions 1.0.0 through 6.2.2. This flaw allows unauthenticated attackers to take over listing ownership by supplying arbitrary company and user IDs, including for listings that already have owners. Version 6.2.3 addresses this issue by restricting the action to authenticated users and only permitting ownership changes for unowned listings.
AI Analysis
Technical Summary
CVE-2026-75950 is an access control vulnerability in the J-BusinessDirectory Joomla extension by cmsjunkie.com affecting versions 1.0.0 through 6.2.2. The vulnerability allows unauthenticated attackers to change the ownership of listings by manipulating company and user identifiers, even for listings that already have owners. The issue is resolved in version 6.2.3, which enforces that only authenticated users can perform ownership changes and limits this action to listings without owners.
Potential Impact
An attacker can gain unauthorized control over listings by changing their ownership without authentication. This could lead to unauthorized modifications or misuse of listings within the affected Joomla extension. The vulnerability has a CVSS 4.0 base score of 6.9, indicating a medium severity impact.
Mitigation Recommendations
Upgrade to version 6.2.3 or later, where the vulnerability is fixed by binding the ownership change action to authenticated users and restricting it to unowned listings. No other official remediation or temporary fixes are documented, so applying the update is the recommended mitigation.
CVE-2026-75950: CWE-284 Improper Access Control in cmsjunkie.com J-BusinessDirectory extension for Joomla
Description
An improper access control vulnerability exists in the cmsjunkie.com J-BusinessDirectory extension for Joomla versions 1.0.0 through 6.2.2. This flaw allows unauthenticated attackers to take over listing ownership by supplying arbitrary company and user IDs, including for listings that already have owners. Version 6.2.3 addresses this issue by restricting the action to authenticated users and only permitting ownership changes for unowned listings.
CVSS v4.0
Score 6.9medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-75950 is an access control vulnerability in the J-BusinessDirectory Joomla extension by cmsjunkie.com affecting versions 1.0.0 through 6.2.2. The vulnerability allows unauthenticated attackers to change the ownership of listings by manipulating company and user identifiers, even for listings that already have owners. The issue is resolved in version 6.2.3, which enforces that only authenticated users can perform ownership changes and limits this action to listings without owners.
Potential Impact
An attacker can gain unauthorized control over listings by changing their ownership without authentication. This could lead to unauthorized modifications or misuse of listings within the affected Joomla extension. The vulnerability has a CVSS 4.0 base score of 6.9, indicating a medium severity impact.
Mitigation Recommendations
Upgrade to version 6.2.3 or later, where the vulnerability is fixed by binding the ownership change action to authenticated users and restricting it to unowned listings. No other official remediation or temporary fixes are documented, so applying the update is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-18T16:11:15.469Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a85c70bacd9273b493b3094
Added to database: 08/19/2026, 15:08:59 UTC
Last enriched: 08/19/2026, 15:24:09 UTC
Last updated: 08/19/2026, 23:07:43 UTC
Views: 5
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