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 ownership of listings by supplying arbitrary company and user IDs, even for listings that already have an owner. Version 6.2.3 fixes 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
cmsjunkie.com
J-BusinessDirectory extension for Joomla
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-75950 is an improper access control vulnerability (CWE-284) in the J-BusinessDirectory extension for Joomla by cmsjunkie.com. Versions prior to 6.2.3 allow unauthenticated attackers to change the ownership of listings by manipulating company and user IDs, including listings that already have owners. The vulnerability is addressed in version 6.2.3, which enforces authentication and limits ownership changes to unowned listings only.
Potential Impact
An unauthenticated attacker can take over ownership of listings in affected versions, potentially allowing unauthorized control over listing data. This could lead to unauthorized modifications or misuse of listings within the Joomla extension. There are no known exploits in the wild at this time.
Mitigation Recommendations
Upgrade to version 6.2.3 or later, where the vulnerability is fixed by binding ownership changes to authenticated users and restricting changes to unowned listings only. No other mitigation is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-18T16:11:15.469Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a85c70bacd9273b493b3094
Added to database: 08/19/2026, 15:08:59 UTC
Last enriched: 09/11/2026, 08:17:57 UTC
Last updated: 10/04/2026, 10:02:29 UTC
Views: 66
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