A vulnerability classified as critical was found in open-scratch Teaching 在线教学平台 up to 2.7. This vulnerability affects unknown code of the file /api/sys/ng-alain/getDictItemsByTable/ of the component URL Handler. The manipulation leads to sql injection. The attack can 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.