KYUUBl school-register DBManager.java sql injection

A vulnerability was found in KYUUBl school-register. It has been classified as critical. This affects an unknown part of the file src/DBManager.java. The manipulation leads to sql injection. The patch is named 1cf7e01b878aee923f2b22cc2535c71a680e4c30. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-218355.