burdan halledebilirsiniz

http://wordpress.org/support/topic/h...7#post-1515749

yada;

<?php if (!(current_user_can('level_0'))){ ?>
<h2>Giriş Formu</h2>
<form action="<?php echo get_option('home'); ?>/wp-login.php" method="post">
<input type="text" name="log" id="log" value="<?php echo wp_specialchars(stripslashes($user_login), 1) ?>" size="20" />
<input type="password" name="pwd" id="pwd" size="20" />
<input type="submit" name="submit" value="Giriş Yap" class="button" />
    <p>
       <label for="rememberme"><input name="rememberme" id="rememberme" type="checkbox" checked="checked" value="Beni Hatırla" /> Beni Hatırla</label>
       <input type="hidden" name="redirect_to" value="<?php echo $_SERVER['REQUEST_URI']; ?>" />
    </p>
</form>
<a href="<?php echo get_option('home'); ?>/wp-login.php?action=lostpassword">Şifremi Unuttum!</a>
<?php } else { ?>
<h2>Çıkış Yap</h2>
<a href="<?php echo wp_logout_url(urlencode($_SERVER['REQUEST_URI'])); ?>">Çıkış Yap</a>
 
<a href="http://XXX/wp-admin/">Admin</a>
<?php } ?>

header.php'e eklersiniz. xx yazan yerleri kendinize göre düzenlersiniz.