He links to a Chromium exploit. Follow the path to see what he did to gain full access.selfhosting always had better compatibility for me with previous browser hacks.
seeing the sources and who did it, I'm sure it's real (unless being a well planed joke for days). though, it would be nice to get some comments to what has been done and were necessary to make it work with 5.5.2. (not everybody understand ASM code)
Thank you for your work.
edit:
what is wiiuhaxx_loader.bin?
I guess it's commented out, not used.