WordPress Custom Global Variables 1.0.5 Cross Site Scripting

CVE Category Price Severity
CVE-2021-24915 CWE-79 $500 High
Author Risk Exploitation Type Date
Unknown High Remote 2021-01-11
Not available 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at:

Below is a copy:

WordPress Custom Global Variables 1.0.5 Cross Site Scripting
# Exploit Title: WordPress Plugin Custom Global Variables 1.0.5 - 'name' Stored Cross-Site Scripting (XSS) 
# Google Dork: NA
# Date: 09/01/2021
# Exploit Author: Swapnil Subhash Bodekar
# Vendor Homepage:
# Software Link:
# Version: 1.0.5
# Tested on Windows

How to reproduce vulnerability:

1. Install WordPress 5.6
2. Install and activate Custom Global variables plugin.
3. Navigate to Setting >> Custom Global Variables and enter the data into the user input field.
4. Capture the request into burp suite and append the JavaScript payload which is mentioned below 
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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