WordPress WPFront Notification Bar Cross Site Scripting

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  • # Exploit Title: WordPress Plugin WPFront Notification Bar - Stored Cross-Site Scripting (XSS)
    # Date: 11/07/2021
    # Exploit Author: Swapnil Subhash Bodekar
    # Vendor Homepage:
    # Software Link: https://wordpress.org/plugins/wpfront-notification-bar/
    # Version:
    # Tested on Windows
    # Category: Web Application
    How to reproduce vulnerability:
    1. Install WordPress 5.7.2
    2. Install and activate *WPFront Notification Bar* plugin.
    3. Navigate to *WPFront Notification Bar *>> Setting >> notification bar and
    fill the required data and enter the below-mentioned payload into the Custom
    CSS user input field.
    5. You will observe that the payload successfully got stored into the
    database and when you are triggering the same functionality in that time
    JavaScript payload is executing successfully and we are getting a pop-up.
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