In Blink in Google Chrome prior to 55.0.2883.75 for Mac, Windows and Linux, and 55.0.2883.84 for Android, corruption of the DOM tree could occur during the removal of a full screen element, which allowed a remote attacker to achieve arbitrary code execution via a crafted HTML page.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.