CVE-2025-14533

CRITICAL
2026-01-20 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 20, 2026 - 10:16 nvd
CRITICAL 9.8

Tags

WordPress Privilege Escalation PHP

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.

Analysis

Advanced Custom Fields: Extended plugin for WordPress has a privilege escalation vulnerability allowing unauthenticated users to gain admin access in all versions up to the latest.

Technical Context

The ACF Extended plugin has a CWE-269 improper privilege management vulnerability that allows unauthenticated users to escalate privileges to WordPress administrator through the plugin's extended field functionality.

Affected Products

['Advanced Custom Fields: Extended for WordPress (all versions)']

Remediation

Update or deactivate the plugin immediately. Audit WordPress admin accounts.

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +49
POC: 0

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CVE-2025-14533 vulnerability details – vuln.today
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