Comodo Antivirus users need to check if their default browser has been changed to “Chromodo” Chromodo has ‘Same Origin Policy’ (SOP) disabled by default. SOP is one of the browser security policies that permits scripts running in a web browser to only make requests to pages on the same domain. With SOP disabled, various malicious script files on that website could take over the control of your Facebook profile, allowing malicious actors to compromise your account, post status updates, etc.
Source: https://thehackernews.com/2016/02/comodo-web-browser-security.html