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

6.5
Improper Control of Generation of Code ('Code Injection')
CVE CVE-2025-15463
CVSS 6.5 (Medium)
Publicly Published May 12, 2026
Last Updated May 12, 2026
Researcher Kishan Vyas

Description

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.

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Vulnerability Details for Advanced Custom Fields: Extended

Software Type Plugin
Software Slug acf-extended (view on wordpress.org)
Patched? Yes
Remediation Update to version 0.9.2.4, or a newer patched version
Affected Version
  • <= 0.9.2.3
Patched Version
  • 0.9.2.4

Recent vulnerabilities in Advanced Custom Fields: Extended

# Title CVE ID CVSS Researchers Date
1 Advanced Custom Fields: Extended <= 0.9.2.5 - Unauthenticated Privilege Escalation via Validation Bypass to '_acf_post_id' Parameter CVE-2026-8809 9.8 daroo May 28, 2026
2 Advanced Custom Fields: Extended <= 0.9.2.1 - Unauthenticated Privilege Escalation via Insert User Form Action CVE-2025-14533 9.8 andrea bocchetti January 19, 2026
3 Advanced Custom Fields: Extended 0.9.0.5 - 0.9.1.1 - Unauthenticated Remote Code Execution in prepare_form CVE-2025-13486 9.8 Marcin Dudek (dudekmar) December 2, 2025
4 Advanced Custom Fields: Extended <= 0.8.9.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2023-5292 6.4 István Márton September 29, 2023
5 Advanced Custom Fields: Extended <= 0.8.8.6 - Admin+ SQL Injection CVE-2021-24865 7.2 ZhongFu Su December 24, 2021

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