Unauthorized Data Modification in ACF Flexible Layouts Manager for WordPress
CVE-2025-12937

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Acf Flexible Layouts Manager
Vendor
CVE Published:
18 November 2025

What is CVE-2025-12937?

The ACF Flexible Layouts Manager plugin for WordPress allows for unauthorized data modification due to a lack of capability checks in its 'acf_flm_update_template_with_pasted_layout' function. This vulnerability permits unauthenticated users to alter custom field values on individual posts and pages, potentially compromising the integrity of site content. All versions up to and including 1.1.6 are affected, making it imperative for site administrators to apply appropriate security measures.

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Deploy the Patch

Affected Version(s)

ACF Flexible Layouts Manager * <= 1.1.6

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/acf-flexible-l...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ahmad Salem
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