Upload Size

Difficulty: 🌟🌟🌟

Description: Upload a file larger than 100 kB.

Category: Improper Input Validation

Tags:

Solution:

Go to the complaint page via /#/complain

Try posting a file smaller than 100kb and go to Burp Suite to see the POST /file-upload request

Send it to Repeater and replace the content of the sent file with the content of the file you want to send (copy the content of the file you want to send by opening the pdf file through notepad)

Click Send and we got this challenge