Being a widely used tool makes you a primary target for mass-exploit campaigns.
By manipulating the template parameter, an attacker could force the plugin to read and execute arbitrary files on the server via PHP’s include() function.
Once executed, the attacker gains the privileges of the web server user, allowing:
target = "http://victim-site.com" payload = "../../../../wp-config.php"
To mitigate the Nicepage 4.5.4 exploit, website administrators and users can take the following steps: