A vulnerability was found in phplaozhang LzCMS-LaoZhangBoKeXiTong up to 1.1.4. It has been rated as critical. Affected by this issue is some unknown functionality of the file /admin/upload/upimage.html of the component HTTP POST Request Handler. The manipulation of the argument File leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.