What’s Vulnerable › Vulnerabilities

CVE-2025-12937: ACF Flexible Layouts Manager <= 1.1.6 - Missing Authorization to Unauthenticated Custom Field Update

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-18 · updated 2026-10-18
• Weakness: CWE-862

Description

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: through 1.1.6

References

• https://plugins.trac.wordpress.org/browser/acf-flexible-layouts-manager/trunk/includes/ajax/ajax-paste.php#L4
• https://www.wordfence.com/threat-intel/vulnerabilities/id/915cce97-8305-4249-b2d3-c4da2f59a95a?source=cve

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