CVE-2026-3516 Contact List <= 3.0.18 - Authenticated (Contributor+) Stored Cross-Site Scripting via '_cl_map_iframe' Parameter

The Contact List plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'clmapiframe' parameter in all versions up to, and including, 3.0.18. This is due to insufficient input sanitization and output escaping when handling the Google Maps iframe custom field. The saveCustomFiel...