The Stream URL of octoprint application allowing xss payload to execute for which its leads to Cross-site Scripting (XSS
Login to the application
Now go to settings -> Webcam & Timelapse -> Stream URL and insert the payload "<img src>
in the Stream URL and click on “Test”
You will see that its making a internal GET request
https://drive.google.com/drive/folders/1gvRKz8AKOY8XE3O3z4mJdr61heIxGtH7?usp=sharing