A vulnerability was found in TDuckCloud tduck-platform 5.1 and classified as critical. This issue affects the function UserFormDataMapper of the file src/main/java/com/tduck/cloud/form/mapper/UserFormDataMapper.java. The manipulation of the argument formKey leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.