Description: A Cross-Site Scripting (XSS) vulnerability in Quick CMS v6.7 allows a local attacker to execute arbitrary code via a crafted script to the to the Backend - Dashboard in the Languages Menu.
Attack Vectors: Scripting A vulnerability in the sanitization of the entry in the Backend of "Languages- Backend" allows injecting JavaScript code that will be executed when the user accesses the web page.
When logging into the panel, we will go to the "Languages - Backend ." section off General Menu.
We edit that Backend Settings and see that we can inject arbitrary Javascript code in the Dashboard field.
'"><svg/onload=alert('Dashboard')>In the following image you can see the embedded code that executes the payload in the main web.
