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CVE-2026-66678: CWE-862 Missing Authorization in Justin Kruit Advanced Custom Fields: Font Awesome Field

0
Medium
Published: 08/06/2026 (08/06/2026, 14:27:56 UTC)
Source: CVE Database V5
Vendor/Project: Justin Kruit
Product: Advanced Custom Fields: Font Awesome Field

Description

CVE-2026-66678 is a medium severity vulnerability in the Advanced Custom Fields: Font Awesome Field plugin by Justin Kruit. It involves missing authorization (CWE-862) in versions up to and including 6.1.1. This flaw could allow users with limited privileges to access functionality or data they should not be authorized to use. No official patch or remediation guidance has been provided yet, and there are no known exploits in the wild.

CVSS v3.1

Score 4.3medium

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

Affected software

Justin Kruit

Advanced Custom Fields: Font Awesome Field

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/13/2026, 17:12:45 UTC

Technical Analysis

This vulnerability is a broken access control issue (CWE-862) affecting Advanced Custom Fields: Font Awesome Field plugin versions up to 6.1.1. It allows users with some level of privileges to bypass authorization checks, potentially accessing or manipulating features without proper permission. The CVSS v3.1 base score is 4.3, indicating a medium severity with network attack vector, low attack complexity, requiring privileges, no user interaction, and limited confidentiality impact. No vendor advisory or patch information is currently available.

Potential Impact

The impact is limited to confidentiality as per the CVSS vector, meaning unauthorized users might gain access to some data or functionality they should not see. There is no impact on integrity or availability reported. The vulnerability requires an attacker to have some privileges on the system and can be exploited remotely over the network without user interaction.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or temporary workaround is documented, users should monitor vendor communications for updates. Until a patch is available, restrict access to trusted users and review permissions carefully to minimize risk.

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Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-07-27T14:00:57.628Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a749d41bf8831d539dba7d8

Added to database: 08/06/2026, 14:42:09 UTC

Last enriched: 08/13/2026, 17:12:45 UTC

Last updated: 09/21/2026, 22:01:36 UTC

Views: 41

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