ChurchCRM 4.5.4 Cross Site Scripting

# Exploit Title: ChurchCRM v4.5.4 - Reflected XSS via Image (Authenticated)# Date: 2023-04-17# Exploit Author: Rahad Chowdhury# Vendor Homepage: http://churchcrm.io/# Software Link: https://github.com/ChurchCRM/CRM/releases/tag/4.5.4# Version: 4.5.4# Tested on: Windows 10, PHP 7.4.29, Apache 2.4.53# CVE: CVE-2023-31699Steps to Reproduce:1. At first login your admin panel.2. Then click "Admin" menu and click "CSV Import" and you will get CSV fileuploder option.3. now insert xss payload in jpg file using exiftool or from imageproperties and then upload the jpg file.4. you will see XSS pop up.