The .7z file contains the application's backend logic, often written in or Python (Flask/Django) . By analyzing the code, researchers look for:
An attacker sends a JSON payload containing the __proto__ key. This allows them to inject properties into the global object prototype, effectively changing the behavior of the entire application. 3. From Pollution to Remote Code Execution (RCE) moanshop.7z
The application uses a vulnerable library (like lodash or merge-deep ) to combine user input into a configuration object. moanshop.7z
Admin panels or debugging routes not visible in the UI. moanshop.7z
Crafts a malicious POST request to pollute the server’s environment.
Injecting an isAdmin: true property into the prototype so that every user session is treated as an administrator.