CVE-2023-0385: Kunalnagar Custom 404 Pro

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Custom 404 Pro plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.7.1. This is due to missing or incorrect nonce validation on the custom_404_pro_admin_init function. This makes it possible for unauthenticated attackers to delete logs, via forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

  • Kunalnagar Custom 404 Pro: before 3.7.2 (fixed in 3.7.2)

Published 2023-01-18. Last modified 2026-06-17.