Cross Site Scripting (XSS) With HTML Boolean Attributes

White Hat Hacking: https://goo.gl/XNEni8
Original Disclosure: https://klikki.fi/adv/yahoo.html

In this first video tutorial on White Hat Hacking, I show you how to achieve a XSS injection on Shopify (they know) using a malformed HTML image tag. This was borrowed from the public disclosure above which details the exploit on Yahoo Mail, which has since been fixed.