DouPHP Favicon system.php unrestricted upload

A vulnerability, which was classified as critical, has been found in DouPHP 1.7 Release 20220822. Affected by this issue is some unknown functionality of the file /admin/system.php of the component Favicon Handler. The manipulation of the argument site_favicon leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.