What is CVE-2025-12937?

CVE-2025-12937 is a medium-severity vulnerability in Valentinpellegrin Acf Flexible Layouts Manager, classified under Missing Authorization. CVSS score: 6.5/10. Published 2025-11-18.

How severe is CVE-2025-12937?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Valentinpellegrin Acf Flexible Layouts Manager

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_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.

Vulnerability class: Broken Access Control

EPSS: 0.002 (10.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Valentinpellegrin Acf Flexible Layouts Manager — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2025-12937?: CVE-2025-12937 is a medium-severity vulnerability in Valentinpellegrin Acf Flexible Layouts Manager, classified under Missing Authorization. CVSS score: 6.5/10. Published 2025-11-18.
How severe is CVE-2025-12937?: Medium severity. CVSS v3 base score is 6.5 out of 10.