PicoCTF 2022 - Power Cookie

Problem

Can you get the flag?
Go to this website and see what you can discover.

Author: LT 'syreal' Jones

Ans: picoCTF{gr4d3_A_c00k13_0d351e23}

Solution:

Enter the website.

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Check the options.

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Now I’m going to check the cookies to try to find some information.

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I think we found some interesting information. When isAdmin is 0, we are a normal user. But when isAdmin is 1, we are an Admin(Boolean flag).

So…

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