Description The plugin does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
1. Create a Blank form or select contact form.
2. Select Builder Tab.
3. Select the setting button.
2. Put XSS payload or HTML code in input fields like the label.
Almost all Input fields are vulnerable to XSS and HTML Injection.