Improper Restriction of XML External Entity Reference
** UNSUPPORTED WHEN ASSIGNED ** An issue was discovered in DotPlant2. In class Pay2PayPayment in payment/Pay2PayPayment.php, there is an XXE vulnerability in the checkResult function. The user input ($_POST['xml']) is used for simplexml_load_string without sanitization. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.