Insufficient policy enforcement in WebView in Google Chrome on Android prior to 83.0.4103.106 allowed a remote attacker to bypass site isolation via a crafted HTML page.
https://security.gentoo.org/glsa/202101-30
https://security.gentoo.org/glsa/202007-08
https://chromereleases.googleblog.com/2020/06/stable-channel-update-for-desktop_15.html