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

2025-11-17 20:17

Ahmad Salem (a7mad.cc)

Strategic Overview

Status

Unpatched

Affected PluginACF Flexible Layouts Manager

Affected Version<= 1.1.6

CVSS6.5Medium

CVECVE-2025-12937

View all ACF Flexible Layouts Manager vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-12937 https://www.wordfence.com/threat-intel/vulnerabilities/id/915cce97-8305-4249-b2d3-c4da2f59a95a

CVSS Vector

6.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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