That's just a bug in the exploit that it accidentally used more than 5 MB per subdomain. I got the same prompt, but when I tried to run it again in private tab

That's just a bug in the exploit that it accidentally used more than 5 MB per subdomain. I got the same prompt, but when I tried to run it again in private tab and the limit was not hit. It got to over 2GB before something bad happened (Chrome's tab process crashed).