Insufficient policy enforcement in extensions in Google Chrome prior to 86.0.4240.75 allowed an attacker who convinced a user to install a malicious extension to bypass same origin policy via a crafted Chrome Extension.
https://www.debian.org/security/2021/dsa-4824
https://chromereleases.googleblog.com/2020/10/stable-channel-update-for-desktop.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00016.html