ZZCMS functions.php Ebak_SetGotoPak unrestricted upload

A vulnerability was found in ZZCMS 2023. It has been classified as critical. Affected is the function Ebak_SetGotoPak of the file 3/Ebbak5.1/upload/class/functions.php. The manipulation of the argument file leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.