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Vulnerability record · CVE-2025-14533 · published 20 January 2026

CVE-2025-14533: Improper privilege management vulnerability

The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 0.9.2.1. This is due to the 'insert_user' function not restricting the roles with which a user can register. This makes it possible for unauthenticated attackers to supply the 'administrator' role during registration and gain administrator access to the site. Note: The vulnerability can only be exploited if 'role' is mapped to the custom field.

9.8 CVSS 3.1 Critical EPSS 1.1% · top 35.4% CWE-269 · Improper privilege management Deferred
9.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 0.9.2.1. This is due to the 'insert_user' function not restricting the roles with which a user can register. This makes it possible for unauthenticated attackers to supply the 'administrator' role during registration and gain administrator access to the site. Note: The vulnerability can only be exploited if 'role' is mapped to the custom field.

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

References

LinkTags
https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.9.2.1/includes/modules/form/module-form-action-user.php#L
https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.9.2.2/includes/fields/field-user-roles.php#L437
https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.9.2.2/includes/modules/form/module-form-action-user.php#L
https://www.wordfence.com/threat-intel/vulnerabilities/id/d44f8af2-3525-4b00-afa8-a908250cc838?source=cve

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Source: NIST National Vulnerability Database (record CVE-2025-14533), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.