> By default they are stored unencrypyed (Security -> Saved Passwords -> Show passwords ... That button wouldn't be there if they weren't unencrypted). Once yo

> By default they are stored unencrypyed (Security -> Saved Passwords -> Show passwords ... That button wouldn't be there if they weren't unencrypted). Once you set up a master password then firefox encrypts them in the password database. That button is still there, but using it requires the master password before actually it shows you the stored encrypted password.