CVE-2021-4458 Modern Events Calendar Lite <= 6.3.0 - Unauthenticated SQL Injection

The Modern Events Calendar Lite plugin for WordPress is vulnerable to SQL Injection via the 'id' parameter of the 'wpajaxmecloadsinglepage' AJAX action in all versions up to, and including, 6.3.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the...