Just Login ~ Traboda Web Challenge Write Up

Srikesh Ravikumar
2 min readJun 21, 2021

Challenge Description : Login to the website and one more thing have you heard of clientside validation using javascript??

Challenge Link : https://app.traboda.com/challenge/480

Flag Format : inctfj{..}

First Create an instance for this challenge by clicking on Create An Instance Button

On opening the website we will be able to see a login page

Since they have mentioned there is a clientside validation using javascript lets inspect this page.

On opening the Inspect Window , enter Sources Tab and open main.js

We will be able to see that there is an if-else conditional statement which states that if the username is admin the password is @dm1n, we will be able to login this page

Hence by using the above user and password credentials we will be to enter the page which the contains the flag

flag.jpg

The flag for this challenge is inctfj{7h15_j4v45cr1p7_w45_n07_53cur3}

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