CVE-2026-1499 WP Duplicate <= 1.1.8 - Authenticated (Subscriber+) Arbitrary File Upload via 'process_add_site' AJAX Action

The WP Duplicate plugin for WordPress is vulnerable to Missing Authorization leading to Arbitrary File Upload in all versions up to and including 1.1.8. This is due to a missing capability check on the processaddsite AJAX action combined with path traversal in the file upload functionality. This...

CVE-2026-1499

The CVE-2026-1499 issue affects the WP Duplicate (Local Sync) WordPress plugin, versions up to and including 1.1.8. The root cause is a missing capability check on the process_add_site AJAX action, combined with path traversal in the file upload flow, allowing an authenticated (subscriber-level) ...

WordPress WP Duplicate plugin <= 1.1.8 - Authenticated (Subscriber+) Arbitrary File Upload via 'process_add_site' AJAX Action vulnerability

Authenticated Subscriber+ Arbitrary File Upload via 'processaddsite' AJAX Action vulnerability discovered by Athiwat Tiprasaharn Jitlada in WordPress Plugin WP Duplicate versions = 1.1.8...