---
id: CVE-2026-18432
title: >-
  The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to
  Privilege Escalation in all versions up to, and including, 3.29.9
summary: >-
  The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to
  Privilege Escalation in all versions up to, and including, 3.29.9. The
  vulnerability exists because `ActionUser::conditions_logic()` gates the
  `current_user_can('edit…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-269
published: '2026-08-16'
updated: '2026-08-16'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-18432'
references:
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.3/main/frontend/forms/actions/user.php#L565
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.3/main/frontend/forms/actions/user.php#L680
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.3/main/frontend/forms/classes/display.php#L1654
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.3/main/frontend/forms/classes/display.php#L1953
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.3/main/frontend/forms/classes/display.php#L37
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.9/main/frontend/forms/actions/user.php#L565
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.9/main/frontend/forms/actions/user.php#L680
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.9/main/frontend/forms/classes/display.php#L1654
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.9/main/frontend/forms/classes/display.php#L1953
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/browser/acf-frontend-form-element/tags/3.29.9/main/frontend/forms/classes/display.php#L37
    label: security@wordfence.com
  - url: >-
      https://plugins.trac.wordpress.org/changeset?reponame=&old=3633030%40acf-frontend-form-element&new=3633030%40acf-frontend-form-element
    label: security@wordfence.com
  - url: >-
      https://www.wordfence.com/threat-intel/vulnerabilities/id/01404fad-7b5a-485a-b557-c608fe25e6c9?source=cve
    label: security@wordfence.com
tags:
  - nvd
epss: 0.00837
epssPercentile: 0.55982
ingestedAt: '2026-08-16T14:39:12.150Z'
---

## Overview

The Frontend Admin by DynamiApps plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.29.9. The vulnerability exists because `ActionUser::conditions_logic()` gates the `current_user_can('edit_user', $user_id)` authorization check behind an `is_numeric()` test, causing the check to be skipped entirely when `$user_id` is a non-numeric string — a condition that can be induced by passing a crafted value such as `1one` through the unvalidated `item_id` parameter of the unauthenticated `wp_ajax_nopriv_frontend_admin/forms/change_form` AJAX endpoint. This makes it possible for attackers to escalate privileges to administrator by obtaining a server-signed `_acf_objects` payload carrying the non-numeric user ID, which WordPress subsequently coerces to integer 1 (the default administrator), allowing the attacker to overwrite that account's password or email address. Exploitation by unauthenticated users requires a public-facing frontend user form to be configured; in all other cases a subscriber-level account is sufficient.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.