CVE-2024-6167: Aprokopenko Just Custom Fields

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

The Just Custom Fields plugin for WordPress is vulnerable to unauthorized access of functionality due to a missing capability check on several AJAX functions in all versions up to, and including, 3.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to invoke this functionality intended for admin users. This enables subscribers to manage field groups, change visibility of items among other things.

Affected products

  • Aprokopenko Just Custom Fields: up to and including 3.3.2

Published 2024-07-09. Last modified 2026-06-17.