CVE-2026-73372: CWE-284 Improper Access Control in Joomla! Project Joomla! CMS
CVE-2026-73372 is an improper access control vulnerability in Joomla! CMS affecting versions 5.1.0 through 5.4.6 and 6.0.0 through 6.1.2. The flaw allows injection of contact information for inaccessible contact items into schema.org snippets due to improper ACL checks. The vulnerability has a medium severity with a CVSS 4.0 score of 5.1.
AI Analysis
Technical Summary
Joomla! CMS versions 5.1.0 to 5.4.6 and 6.0.0 to 6.1.2 contain an improper access control vulnerability (CWE-284) where ACL checks are insufficient when injecting schema.org contact data. This results in contact information for contact items that should be inaccessible being included in schema.org snippets, potentially exposing unauthorized contact details.
Potential Impact
The vulnerability may lead to unauthorized disclosure of contact information embedded in schema.org snippets for contact items that users should not have access to. There is no indication of privilege escalation, denial of service, or code execution. The CVSS score of 5.1 indicates a medium impact primarily due to information exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the Joomla! Project vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor Joomla! advisories for updates addressing this improper access control issue.
CVE-2026-73372: CWE-284 Improper Access Control in Joomla! Project Joomla! CMS
Description
CVE-2026-73372 is an improper access control vulnerability in Joomla! CMS affecting versions 5.1.0 through 5.4.6 and 6.0.0 through 6.1.2. The flaw allows injection of contact information for inaccessible contact items into schema.org snippets due to improper ACL checks. The vulnerability has a medium severity with a CVSS 4.0 score of 5.1.
CVSS v4.0
Score 5.1medium
Affected software
Joomla! Project
Joomla! CMS
pkg:composer/joomla/joomla-cmsRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Joomla! CMS versions 5.1.0 to 5.4.6 and 6.0.0 to 6.1.2 contain an improper access control vulnerability (CWE-284) where ACL checks are insufficient when injecting schema.org contact data. This results in contact information for contact items that should be inaccessible being included in schema.org snippets, potentially exposing unauthorized contact details.
Potential Impact
The vulnerability may lead to unauthorized disclosure of contact information embedded in schema.org snippets for contact items that users should not have access to. There is no indication of privilege escalation, denial of service, or code execution. The CVSS score of 5.1 indicates a medium impact primarily due to information exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the Joomla! Project vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor Joomla! advisories for updates addressing this improper access control issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-08-12T14:00:09.041Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a84862fc6e8be03327406ca
Added to database: 08/18/2026, 16:19:59 UTC
Last enriched: 09/11/2026, 21:18:55 UTC
Last updated: 10/02/2026, 14:46:10 UTC
Views: 71
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