CVE-2023-5415: Funnelforms

Medium severity, CVSS 4.3. EPSS: 0.4% chance of exploitation in the next 30 days.

The Funnelforms Free plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the fnsf_add_category function in versions up to, and including, 3.4. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to add new categories.

Affected products

• Funnelforms Funnelforms: up to and including 3.4

Published 2023-11-22. Last modified 2026-06-17.