Wordpress plugin slider by soliloquy 2.6.2 title stored cross site scripting (xss) (authenticated) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-12-03 | Type : webapps | Platform : php
This exploit / vulnerability Wordpress plugin slider by soliloquy 2.6.2 title stored cross site scripting (xss) (authenticated) is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: WordPress Plugin Slider by Soliloquy 2.6.2 - 'title' Stored Cross Site Scripting (XSS) (Authenticated)
# Date: 02/12/2021
# Exploit Author: Abdurrahman Erkan (@erknabd)
# Vendor Homepage: https://soliloquywp.com/
# Software Link: https://wordpress.org/plugins/soliloquy-lite/
# Version: 2.6.2
# Tested on: Kali Linux 2021 - Firefox 78.7, Windows 10 - Brave 1.32.113, WordPress 5.8.2

# Proof of Concept:
#
# 1- Install and activate the Slider by Soliloquy 2.6.2 plugin.
# 2- Open Soliloquy and use "Add New" button to add new post.
# 3- Add payload to title. Payload: <script>alert(document.cookie)</script>
# 4- Add any image in post.
# 5- Publish the post.
# 6- XSS has been triggered.
#
# Go to this url "http://localhost/wp-admin/post.php?post=1&action=edit" XSS will trigger. - For wordpress users.
# Go to this url "http://localhost/?post_type=soliloquy&p=1" XSS will trigger. - For normal users.