Language: PHP
Label: vulnerable
CWE: CWE-502 \u2014 Deserialization of Untrusted Data
The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid.

Code:
   public function checkIFReferenceExistsInOrder($orders_id, $ref_id) {
      return (countElementsInTable(
         $this->getTable(),
         [
            'plugin_order_orders_id' => $orders_id,
            'plugin_order_references_id' => $ref_id,
         ]
      ));
   }