CVE-2025-12412: Josereyev Top Bar Notification

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

The Top Bar Notification plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.12. This is due to missing or incorrect nonce validation on th tbn_ajax_add() function. This makes it possible for unauthenticated attackers to update the plugin's 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.

Affected products

• Josereyev Top Bar Notification: up to and including 1.12

Published 2025-11-04. Last modified 2026-06-17.