HexBrain

UPchieve · Report #1318087

OTP reflecting in response sensitive data exposure leads to account take over

N/Astatus
criticalseverity
5upvotes
26 Mar 2022disclosed

How it was found

Summary:

Sensitive data that is otp is reflecting in the response of phone number otp verification in https://app.upchieve.org

Steps To Reproduce:

  1. Signin with a account 2.After signin it will ask for phone number for otp verification. 3.Capture the request using burpsuite and see the response 4.Now otp is exposing in the response. 5.Account take over is happening.

Impact

Any attacker can login into user account with his/her otp verification which is a high impact of this website.sensitive data is exposing here

This report was disclosed publicly on HackerOne and belongs to its author and the program. See the original