## https://sploitus.com/exploit?id=WPEX-ID:D6B1270B-52C0-471D-A5FB-507E21B46310
1. Click on "Upload Backup" and add http://127.0.0.1:XXX/123.wpstg -> "Upload".
If the port is open it will return an error "Not Found" to user. If the port isn't open it will return nothing.