A missing check for popup window handling in Fullscreen in Google Chrome on macOS prior to 69.0.3497.81 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page.
https://security.gentoo.org/glsa/201811-10
https://chromereleases.googleblog.com/2018/09/stable-channel-update-for-desktop.html