CVE-2026-16092 Improved Save Button <= 1.2.1 - Authenticated (Author+) Second-Order SQL Injection via 'meta_key' Parameter

The Improved Save Button plugin for WordPress is vulnerable to second-order SQL Injection via 'metakey' Custom Field via 'Save and Duplicate' Action in all versions up to, and including, 1.2.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the...