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Vulnerabilities

Vulnerability · CVE-2025-12937

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_past

Published Nov 17, 2025 · catalog updated Apr 8, 2026 · ACF Flexible Layouts Manager

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Patch now

CVE-2025-12937 is in the CISA known-exploited catalog. Confirm ACF Flexible Layouts Manager against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Medium6.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.22%
Remediation
Remediation guidance
Affected products
vendor valentinpellegrin ACF Flexible Layouts Manager 0 ≤1.1.6

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor valentinpellegrin ACF Flexible Layouts Manager 0 ≤1.1.60 ≤1.1.6

How to fix CVE-2025-12937

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-12937 is in the CISA known-exploited catalog. Confirm ACF Flexible Layouts Manager against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with valentinpellegrin ACF Flexible Layouts Manager 0 ≤1.1.6 0 ≤1.1.6. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 17, 2025 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  2. Nov 18, 2025 · EUVD

    Detected

    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.

  3. Apr 8, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-12937

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-12937

    30-day exploitation probability 0.22%

    first.org
  • EUVDVulnerability recordEUVD-2025-197941

    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 unauthen

    euvd.enisa.europa.eu
  • VulnCheck KEVConfirmed exploitationCVE-2025-12937

    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 unauthen

    vulncheck.com

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • VulnCheck KEVOct 27, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026