A flaw has been found in YiFang CMS up to 2.0.2. The impacted element is the function webUploader of the file app/app/controller/File.php of the component Backend. Executing manipulation of the argument uploadpath can lead to unrestricted upload. The attack can be launched remotely. The exploit has been published 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: