a quick tutorial:
first of all download nodejs from here:
https://nodejs.org/en/ and install it
then go here:
https://github.com/ALEXZZZ9/PS4-5.01-WebKit-Exploit-PoC and click on "Clone or Download" and it will download the exploit
then extract the folder from the zip
then run cmd in the folder and run the command "npm install" and wait until is complete
then run cmd again in the folder and run the command "npm start" it will say "listening on port 80"
now on your ps4 open the browser and type your pc's ip YOURIPHERE/index.html and press r2 now you should be in the exploit
screen try sometimes until it says "succes"
sorry for my bad english and for my bad tutorial