this vulnerability affect user that even not allowed to access via the web interface. First of all, the attacker needs to access the "Login menu - demo site" then he can see in this menu all the functionality of the application. If the attacker will try to click on one of the links, he will get an answer that he is not authorized because he needs to log in with credentials. after he performed log in to the system there are some functionalities that the specific user is not allowed to perform because he was configured with low privileges however all the attacker need to do in order to achieve his goals is to change the value of the prog step parameter from 0 to 1 or more and then the attacker could access to some of the functionality the web application that he couldn't perform it before the parameter changed.
An attacker can access to "Forgot my password" button, as soon as he puts users is valid in the system, the system would issue a message that a password reset email had been sent to user. This way you can verify which users are in the system and which are not.
Cross Site Scripting (XSS) in the "Reset Password" page form of Priority Enterprise Management System v8.00 allows attackers to execute javascript on behalf of the victim by sending a malicious URL or directing the victim to a malicious site.