WooYun.org

if($_REQUEST['act']=='go')
{
	$url = ($_REQUEST['url']);
	$link_item = $GLOBALS['db']->getRowCached("select * from ".DB_PREFIX."link where (url = '".$url."' or url = 'http://".$url."') and is_effect = 1");
	if($link_item)
	{
		if(check_ipop_limit(get_client_ip(),"Link",10,$link_item['id']))
		$GLOBALS['db']->query("update ".DB_PREFIX."link set count = count + 1 where id = ".$link_item['id']);
		$url = "http://".$url;
	}
	else
	{
		$url = APP_ROOT."/";
	}
	app_redirect($url);
}