Input validation vulnerability in Accept Donations with PayPal & Stripe 1.4.5

The Accept Donations with PayPal & Stripe plugin for WordPress has a security issue that affects all versions up to 1.4.5. This is because the render() function does not properly check for a special code called a nonce. This means that someone who is not logged in can change the plugin’s settings and add harmful code to a website if they can trick the person in charge into clicking on a link.