CVE-2025-15463 MEDIUM

CVE-2025-15463: Advanced Custom Fields: Extended <= 0.9.2.3 - Unauthenticated Arbitrary Shortcode Execution

Vendor Hwk-Fr
Product Advanced Custom Fields: Extended
Weakness CWE-94 · Code injection
Published May 12, 2026
Last update May 13, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 0.9.2.3. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Explanation of Vulnerability in Simple Terms

02Summary

Advanced Custom Fields: Extended versions up to 0.9.2.3 contain a code injection vulnerability that allows unauthenticated attackers to inject and execute arbitrary code through the plugin. No user interaction is required. The vulnerability affects code confidentiality and integrity but not availability.

What an attacker can do

03Attacker Capabilities

Inject and execute arbitrary code on the site without authentication.

Potential impact on your site

04Site Impact

An attacker can read sensitive data and modify site content or functionality without logging in.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 12, 2026 CVE published
May 13, 2026 Record updated