@mav Yes, Firefox is one of the remaining browsers, where an extension can slurp up any secret and post them to a remote location without anyone noticing.
And ublock origin could have with pretty small reduction in usefulness converted to the new api years ago.
@waldi
That is indeed the risk you take for having additional control of what the software does on the computer you ostensibly own.
You could also just get malware.
Solution: Chromebooks for everyone! 🤮