WordPress Plugin CP Blocks 1.0.14 - Stored Cross Site Scripting (XSS)

# Exploit Title: WordPress Plugin CP Blocks 1.0.14 - Stored Cross Site Scripting (XSS)
# Date: 2022-02-02
# Exploit Author: Shweta Mahajan
# Vendor Homepage: https://wordpress.org/plugins/cp-blocks/
# Software Link: https://wordpress.org/plugins/cp-blocks/
# Tested on Windows
# CVE: CVE-2022-0448
# Reference:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0448
https://wpscan.com/vulnerability/d4ff63ee-28e6-486e-9aa7-c878b97f707c

How to reproduce vulnerability:

1. Install Latest WordPress

2. Install and activate CP Blocks Version 1.0.14

3. Navigate to CP Blocks - License >> enter the payload into 'License ID'.

4. Enter JavaScript payload which is mentioned below
   "><script>alert(0)</script>

5. You will observe that the payload successfully got stored into the
    database and when you are triggering the same functionality at that
    time JavaScript payload gets executed successfully and we'll get a
    pop-up.