Input validation vulnerability in InteractiveCalculator for WordPress 1.0.3

The InteractiveCalculator for WordPress is a tool that can be added to a website using a plugin. However, it has a security issue that allows attackers to insert harmful code into the website. This can be done by using a certain code called ‘interactivecalculator’ in the plugin. This vulnerability exists in all versions up to 1.0.3 and can be exploited by users with contributor-level access or higher. This means that the attacker can make the code run whenever someone visits the affected page.