✍️ Description

Cross-site scripting (XSS) vulnerabilities

Line 9 of delCanvasItem.tpl.php sends unvalidated data to a web browser, which can result in the browser executing malicious code.

🕵️‍♂️ Proof of Concept

<form method="post" action="<?=BASE_URL ?>/leancanvas/delCanvasItem/<?php echo $_GET['id']?>">

💥 Impact

The attacker can:

Perform any action within the application that the user can perform. View any information that the user is able to view. Modify any information that the user is able to modify. Initiate interactions with other application users, including malicious attacks, that will appear to originate from the initial victim user.