A vulnerability was found in gopeak MasterLab up to 3.3.10. It has been declared as critical. Affected by this vulnerability is the function add/update of the file app/ctrl/admin/User.php. The manipulation of the argument avatar leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-249181 was assigned to this vulnerability.