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Objective

Getting to know Caido through their labs at https://labs.cai.do

Labs

Match and Replace

Not much to say, the functionality is pretty easy to use and test.

IDOR Vulnerability

I used Automate to iterate over the user IDs from 0 to 100.

Filtering the non-existant users was easy with an HTTPQL query:

sql
resp.raw.ncont:"User not found"

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And the super admin API key!

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Autorize IDOR Testing

The authentication and authorization is done with an Authorization HTTP header. I used Authorized to create two new users.

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And two mutations for each users.

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/autorize.php?action=messages had sensitive messages and were accessible to all authenticated users.

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