Exploit for Ninja Forms < 3.6.10 - Admin+ Stored Cross-Site Scripting via Import CVE-2021-25066

## https://sploitus.com/exploit?id=WPEX-ID:323D5FD0-ABE8-44EF-9127-EEA6FD4F3F3D
- Make a test form and then export it to your system.
- Edit the file and enter an XSS payload like "<img src=x onerror=alert('XSS')" inside the title object in the JSON file.
- Go back to the import/export tab and notice that the payload was executed