PT-2026-45169 · Wp Engine · Advanced Custom Fields Pro

Sarawut Poolkhet · Published 2026-05-31 · Updated 2026-05-31 · CVE-2026-8382

Mitre

CVSS v3.1

5.3

Medium

Base vector

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

The Advanced Custom Fields (ACF®) plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to overwrite the post title and post content of any post bound to a publicly accessible acf form() instance by injecting values into the post title and post content parameters of a form submission request.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-8382

Affected Products

Advanced Custom Fields Pro

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-8382 · Security Note
• https://plugins.trac.wordpress.org/browser/advanced-custom-fields/tags/6.8.0/includes/forms/form-front.php#L243 · Note
• https://plugins.trac.wordpress.org/changeset/3549586/advanced-custom-fields/trunk/includes/forms/form-front.php · Note
• https://wordfence.com/threat-intel/vulnerabilities/id/ddb2290d-d4bd-4f70-9fe9-927f49721811?source=cve · Note