Secure Logged In Cookie override

secure-logged-in-cookie-override.php

<?php
/*
Plugin Name: Secure Logged In Cookie override
Plugin URI: https://sfurs.at/semanticwp/plugins/
Description: Quick fix for WP 4.0 regression when Dashboard is on SSL and main site isn't
Version: 1.0.0
Author: Xelera
Author URI: https://xelera.eu/
License: AGPL-3+
*/

function secure_logged_in_cookie_override($secure_logged_in_cookie) {
  // always return false - that's our purpose
  return false;
}

add_filter('secure_logged_in_cookie', 'secure_logged_in_cookie_override');