CVE-2025-12937: Valentinpellegrin Acf Flexible Layouts Manager

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

The ACF Flexible Layouts Manager plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'acf_flm_update_template_with_pasted_layout' function in all versions up to, and including, 1.1.6. This makes it possible for unauthenticated attackers to update custom field values on individual posts and pages.

Affected products

• Valentinpellegrin Acf Flexible Layouts Manager: up to and including 1.1.6

Published 2025-11-18. Last modified 2026-06-17.