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CVE-2025-13486

CRITICAL 9.8 CVSS 3.1
Published
December 3, 2025
Last modified
October 18, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Remote Code Execution in versions 0.9.0.5 through 0.9.1.1 via the prepare_form() function. This is due to the function accepting user input and then passing that through call_user_func_array(). This makes it possible for unauthenticated attackers to execute arbitrary code on the server, which can be leveraged to inject backdoors or create new administrative user accounts.

Affected WordPress components

  • Advanced Custom Fields: Extended Plugin · acf-extended
    Confirmed match Active
    From 0.9.0.5 (including) to 0.9.1.1 (including)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • hwk-fr Advanced Custom Fields: Extended — From 0.9.0.5 (including) to 0.9.1.1 (including)

References