JeecgBoot sendMsg improper authorization

A weakness has been identified in JeecgBoot up to 3.8.2. Affected is an unknown function of the file /message/sysMessageTemplate/sendMsg. Executing manipulation can lead to improper authorization. The attack may be launched remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.