werid dream about javascript and doxxing

I had a dream where a website doxxed me because of something relating to javascript and password manager autofill so they could figure out what was filled in the page and automated the filling process (which is convenient with password managers, but it's basically injecting stuff into web pages and can fill names and whatnot automatically, and if the page is monitoring what is happening, or forces the autofill to occur, then it can get your name and address)