CVE-2025-12400: Lmbbox Lmb^box Smileys

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

The LMB^Box Smileys plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 3.2. This is due to missing or incorrect nonce validation on the manage_page() function. 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.

Affected products

• Lmbbox Lmb^box Smileys: up to and including 3.2

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