WPDB::escape has been deprecated for security reasons. More information
404 Redirected was throwing the following:
Notice: wpdb::escape is deprecated since version 3.6! Use wpdb::prepare() or esc_sql() instead. in /var/www/html/wp-includes/functions.php on line 2919
Replaced all instances of 'wpdb->escape' with 'esc_sql' as suggested.
Since this is a pretty straight forward matter of replacing one escape
function with another, there shouldn't be any issues, but based on some
light testing, the plugin seems to be working properly and the notice is