74CMS Company Logo Index.php#sendCompanyLogo unrestricted upload

A vulnerability, which was classified as critical, has been found in 74CMS 3.28.0. Affected by this issue is the function sendCompanyLogo of the file /controller/company/Index.php#sendCompanyLogo of the component Company Logo Handler. The manipulation of the argument imgBase64 leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257060.