What the vulnerability does
01Description
The Avishi WP PayPal Payment Button plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0. This is due to missing or incorrect nonce validation on the 'avishi-wp-paypal-payment-button/index.php' page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Explanation of Vulnerability in Simple Terms
02Summary
The Avishi WP PayPal Payment Button plugin for WordPress versions 2.0 and earlier is vulnerable to cross-site request forgery (CSRF). An attacker can craft a malicious webpage that, when visited by a logged-in site administrator, performs unwanted actions on the site without their knowledge. The vulnerability requires user interaction and can affect the site's integrity.
What an attacker can do
03Attacker Capabilities
Trick a logged-in admin into performing unwanted actions on the site via a malicious webpage.
Potential impact on your site
04Site Impact
An attacker could modify plugin settings or payment configurations if an admin visits a malicious link.
Conditions required to exploit
05Prerequisites
Admin must visit attacker's webpage while logged into WordPress. No special privileges required to craft the attack.
Key dates
06Disclosure timeline
July 19, 2025
CVE published
April 8, 2026
Record updated
