Firefox-based browsers not affected.

> The “how it works” page suggests it only works on chrome based browsers. Anyone able to determine if firefox or safari are affected too?

The code filters out non-chrome browsers: >The extension scan runs only in Chrome-based browsers. The isUserAgentChrome() function checks for “Chrome” in the user agent string. The isBrowser() function excludes server-side rendering environments. If either check fails, the scan does not execute.