QDocs Smart School HTTP POST Request sql injection

A vulnerability was found in QDocs Smart School 6.4.1. It has been classified as critical. This affects an unknown part of the file /course/filterRecords/ of the component HTTP POST Request Handler. The manipulation of the argument searchdata[0][title]/searchdata[0][searchfield]/searchdata[0][searchvalue] leads to sql injection. It is possible to initiate the attack remotely. The associated identifier of this vulnerability is VDB-241647. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.