$ cat writeup.md…
$ cat writeup.md…
bug-makers
Task: Express app asks for the password 'Infinity' but forbids all letters and digits and requires exactly 8 symbol-only characters; the backend eval()s the input and compares to Infinity. Solution: build a JSFuck-style 8-char expression +!![]/[] (== 1/0 == Infinity) to bypass the alphanumeric blacklist.
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$sign in$ grep --similar