Binary package “nss-passwords” in ubuntu focal
read passwords from a Mozilla keyring
This program reads passwords from keyrings used by Mozilla products,
such as Firefox and Thunderbird. It can run entirely in text mode.
.
This program works with SQLite-based keyrings (signons.sqlite), used
in recent versions of Firefox. Text-based keyrings can be read with
pwdecrypt, from libnss3-tools package.