CVE-2026-18335: Themeum Kirki – Freeform Page Builder, Website Builder & Customizer

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Blind Server-Side Request Forgery in all versions up to, and including, 6.2.0 via the 'kirki_data' Parameter. This makes it possible for unauthenticated attackers to make web requests to arbitrary locations originating from the web application and can be used to query and modify information from internal services.

Affected products

• Themeum Kirki – Freeform Page Builder, Website Builder & Customizer: up to and including 6.2.0

Published 2026-09-24. Last modified 2026-09-24.