Add to your functions.php :
: Users have raised concerns about Nicepage including older versions of libraries like jQuery 1.9.1 in its exported code. While popular, older libraries can have known Cross-Site Scripting (XSS) vulnerabilities that hackers target. nicepage website builder exploit
For more technical details on specific historical vulnerabilities, you can search for "Nicepage" on databases like Exploit-DB CVE Program SQL injection , or focus on a specific platform like Add to your functions