xiweicheng TMS FileController.java upload unrestricted upload

A vulnerability was detected in xiweicheng TMS up to 2.28.0. Affected by this issue is the function Upload of the file src/main/java/com/lhjz/portal/controller/FileController.java. The manipulation of the argument filename results in unrestricted upload. The attack may be performed from remote. The exploit is now public and may be used.