CVE-2025-12937 - CVE House
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Status published Medium CVE-2025-12937

ACF Flexible Layouts Manager <= 1.1.6 - Missing Authorization to Unauthenticated Custom Field Update

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ahmad Salem

Affected Vendor

valentinpellegrin

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Affected Software

ACF Flexible Layouts Manager
Vulnerable Versions:
0

Timeline

Official Publish: November 18th, 2025
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses (CWE)