A vulnerability was found in Yue Lao Blind Box 月老盲盒 up to 4.0. It has been declared as critical. This vulnerability affects the function base64image of the file /app/controller/Upload.php. The manipulation of the argument data leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: