CVE-2026-66678 MEDIUM

CVE-2026-66678: WordPress Advanced Custom Fields: Font Awesome Field plugin <= 6.1.1 - Broken Access Control vulnerability

Vendor Justin Kruit
Product Advanced Custom Fields: Font Awesome Field
Weakness CWE-862 · Missing authorization
Published August 6, 2026
Last update August 6, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

Contributor Broken Access Control in Advanced Custom Fields: Font Awesome Field <= 6.1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The Advanced Custom Fields: Font Awesome Field plugin for WordPress does not properly check user permissions before allowing access to certain functionality. A logged-in user with low privileges can read data they should not have access to. The vulnerability affects versions up to 6.1.1. Site administrators should update to a version newer than 6.1.1 when available.

What an attacker can do

03Attacker Capabilities

Read sensitive data they should not have access to based on their user role.

Potential impact on your site

04Site Impact

Unauthorized users can access private or restricted information stored via the Font Awesome Field plugin.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor).

Key dates

06Disclosure timeline

August 6, 2026 CVE published
August 6, 2026 Record updated

Related vulnerabilities

08Related CVE