Dante initial foothold

Hi!
I’m stuck with uploading a wp plugin for getting the first shell.
I’m being redirected to the ftp upload.
Can you please give me any hint about getting a foothold on the first machine?

Looks like the discussion thread is here:
https://forum.hackthebox.eu/discussion/3696/dante-discussion/p1

Hi, I want to know that does the initial foothold really need to crack the jame’s password to get loged in? cause my network are sucks