JeecgBoot Filter exportXls improper authorization

A security flaw has been discovered in JeecgBoot up to 3.8.2. The affected element is an unknown function of the file /sys/user/exportXls of the component Filter Handler. The manipulation results in improper authorization. The attack may be performed from remote. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.