CVE-2026-15231: Unknown Tag, Category, And Taxonomy Manager

Low severity, CVSS 2.7. EPSS: 0.3% chance of exploitation in the next 30 days.

The Tag, Category, and Taxonomy Manager WordPress plugin before 3.51.0 does not verify that a user is authorized to access a referenced post before processing it and returning derived data, allowing users with contributor privileges to disclose data from private or draft posts they do not own.

Affected products

• Unknown Tag, Category, And Taxonomy Manager: before 3.51.0 (fixed in 3.51.0)

Published 2026-08-03. Last modified 2026-08-26.