CVE-2025-14533
Advanced Custom Fields: Extended <= 0.9.2.1 - Unauthenticated Privilege Escalation via Insert User Form Action
- State
- Published
- Severity
- 9.8 Critical
- Published
- Jan 20, 2026
- Updated
- Apr 8, 2026
- Reserved
- Dec 11, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Wordfence |
Weaknesses
- CWE-269 Improper Privilege Management
Affected Products
| Product | Versions |
|---|---|
Advanced Custom Fields: Extendedhwk-fr |
|
References
- https://www.wordfence.com/threat-intel/vulnerabilities/id/d44f8af2-3525-4b00-afa8-a908250cc838?source=cve
- https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.9.2.1/includes/modules/form/module-form-action-user.php#L636
- 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#L356
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