Print the username

Your company is building an application for a customer. You need to write a PHP script to print the name of the user in the URL

Please take the next step and identify the vulnerability.

O desenvolvedor elaborou o código a seguir.

After a quick review, your boss has identified a vulnerability in the code that creates a risk for your company, and has asked you to remediate the error.

1<?php
2$username = $_GET['username'];
3echo '<div class="header"> Welcome, ' . $username . '</div>';
4?>
5

Use the DEVELOPER SURVEY link bellow to answer the challenge. ( Please notice that will be redirected to jotform.com)