Anyway, according to Google Project Zero, the issue has been fixed with a comprehensive fix: https://project-zero.issues.chromium.org/issues/442425914
You can always enable lockdown mode and disable downloading media to protect against undetected vulnerabilities of course, but the bug has been fixed and you just need to update for the problem to go away.
Prolificity (ooh, invented word?) could be more than quantity of words, maybe quality too?