CVE-2026-15231: CWE-639 Authorization Bypass Through User-Controlled Key in Tag, Category, and Taxonomy Manager
The Tag, Category, and Taxonomy Manager WordPress plugin before version 3.51.0 contains an authorization bypass vulnerability. It fails to verify that users are authorized to access referenced posts before processing and returning data. This flaw allows users with contributor privileges to access data from private or draft posts they do not own.
AI Analysis
Technical Summary
CVE-2026-15231 is an authorization bypass vulnerability (CWE-639) in the Tag, Category, and Taxonomy Manager WordPress plugin prior to version 3.51.0. The plugin does not properly verify user permissions when accessing referenced posts, enabling contributor-level users to disclose data from private or draft posts they should not have access to. This issue arises from insufficient authorization checks on user-controlled keys used in tag, category, and taxonomy management functions.
Potential Impact
Users with contributor privileges can access and disclose data from private or draft posts they do not own. This leads to unauthorized data exposure within WordPress sites using the affected plugin versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level user permissions or disable the plugin if possible to prevent unauthorized data disclosure.
CVE-2026-15231: CWE-639 Authorization Bypass Through User-Controlled Key in Tag, Category, and Taxonomy Manager
Description
The Tag, Category, and Taxonomy Manager WordPress plugin before version 3.51.0 contains an authorization bypass vulnerability. It fails to verify that users are authorized to access referenced posts before processing and returning data. This flaw allows users with contributor privileges to access data from private or draft posts they do not own.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-15231 is an authorization bypass vulnerability (CWE-639) in the Tag, Category, and Taxonomy Manager WordPress plugin prior to version 3.51.0. The plugin does not properly verify user permissions when accessing referenced posts, enabling contributor-level users to disclose data from private or draft posts they should not have access to. This issue arises from insufficient authorization checks on user-controlled keys used in tag, category, and taxonomy management functions.
Potential Impact
Users with contributor privileges can access and disclose data from private or draft posts they do not own. This leads to unauthorized data exposure within WordPress sites using the affected plugin versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict contributor-level user permissions or disable the plugin if possible to prevent unauthorized data disclosure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-07-09T11:17:18.418Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a70364dbf32cb7a3418291c
Added to database: 08/03/2026, 06:33:49 UTC
Last enriched: 08/03/2026, 07:07:36 UTC
Last updated: 08/03/2026, 07:07:36 UTC
Views: 2
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