linlinjava litemall File delete path traversal

A vulnerability, which was classified as critical, has been found in linlinjava litemall up to 1.8.0. Affected by this issue is the function delete of the file /admin/storage/delete of the component File Handler. The manipulation of the argument key leads to path traversal. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.