Show MD5 Password in user section

To get MD5 password in user listing column, you have to get user_pass using get_userdata(). see below example how to get user_pass from get_userdata()

add_action('manage_users_custom_column',  'cmr_supwd_show_upwd_col_data', 10, 3);
function cmr_supwd_show_upwd_col_data($value, $column_name, $user_id) {
    $user = get_userdata( $user_id );
    if ( 'user_pass' == $column_name )
        return $user->user_pass;
    return $value;
}