Input validation vulnerability in Subscribe2 – Form, Email Subscribers & Newsletters 8.1

The Subscribe2 – Form, Email Subscribers & Newsletters plugin for WordPress is vulnerable to security threats. This means that it is possible for attackers to insert malicious code into the plugin. If someone visits a website that has the vulnerable version of this plugin, the malicious code can be sent to their browser and execute, allowing the attacker to gain access to sensitive information. To prevent this from happening, it is important to upgrade to the latest version of the plugin (version 8.1 or higher).