WordPress WP Travel Pro plugin <= 10.6.0 - Missing Authorization to Unauthenticated Arbitrary User Deletion Including Administrators vulnerability

Missing Authorization to Unauthenticated Arbitrary User Deletion Including Administrators vulnerability discovered by Ren Voza in WordPress Plugin WP Travel Pro versions = 10.6.0...

CVE-2026-4290: Missing Authorization

The WP Travel Pro plugin for WordPress is vulnerable to arbitrary user deletion via the /wp-json/wp-travel/v1/travel-guide/userid REST API endpoint in all versions up to, and including, 10.6.0. This is due to the checkpermission callback unconditionally returning true and the Database::delete...