wpengine Vulnerabilities and Affected Products
Vulnerabilities associated with Advanced Custom Fields (ACF®).
Products
Clear product- Advanced Custom Fields (ACF®)3 vulnerabilities
- advanced_custom_field_pro3 vulnerabilities
- Database Backup for WordPress3 vulnerabilities
- wpgraphql3 vulnerabilities
- advanced_custom_fields2 vulnerabilities
- Better Search Replace1 vulnerability
- better_search_replace1 vulnerability
- Gutenberg Blocks – ACF Blocks Suite1 vulnerability
- WP Migrate Lite – Migration Made Easy1 vulnerability
- wp_migrate1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2026-8382MEDIUM | Advanced Custom Fields (ACF®) <= 6.8.1 - Unauthenticated Arbitrary Post Modification via Front-End Form '_post_title' and '_post_content' ParametersThe 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. CWE-862May 31, 2026 | CVSS5.3v3.1 | EPSS0.464% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2026-4812MEDIUM | Advanced Custom Fields (ACF®) <= 6.7.0 - Unauthenticated Missing Authorization to Arbitrary Post/Page Disclosure via AJAX Field Query ParametersThe Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Missing Authorization to Arbitrary Post/Page Disclosure in versions up to and including 6.7.0. This is due to AJAX field query endpoints accepting user-supplied filter parameters that override field-configured restrictions without proper authorization checks. This makes it possible for unauthenticated attackers with access to a frontend ACF form to enumerate and disclose information about draft/private posts, restricted post … CWE-862Apr 15, 2026 | CVSS5.3v3.1 | EPSS0.91% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |
CVE-2023-6701MEDIUM | Advanced Custom Fields <= 6.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom FieldThe Advanced Custom Fields (ACF) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a custom text field in all versions up to, and including, 6.2.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CWE-79Feb 5, 2024 | CVSS6.4v3.1 | EPSS0.523% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |