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Advanced Custom Fields - Security Vulnerability (CVE-2026-120534)
The Advanced Custom Fields: Extended PRO plugin for WordPress is vulnerable to Limited Code Injection in all versions up to, and including, 0.9.2.6 via the render_field function. This is due to insufficient validation of form configuration parameters before merging into field settings and passing to call_user_func_array in the render_field method. This makes it possible for unauthenticated attackers to call arbitrary WordPress functions with controlled arguments. Method 1 requires the administrator to enable the non-default 'shortcode_preview' setting for the target form, while Method 2 requires the server environment to lack OpenSSL…
CVE-2026-120534
Advanced Custom Fields - Security Vulnerability (CVE-2026-94263)
The Advanced Custom Fields: Extended and Advanced Custom Fields: Extended PRO WordPress plugins from 0.9.2.4 to 0.9.2.7 do not consistently disable shortcode processing in the confirmation message of their front-end forms, allowing unauthenticated visitors to have arbitrary shortcodes executed server-side when they submit a form whose stored configuration does not carry the relevant setting.
CVE-2026-94263
Advanced Custom Fields - Broken Access Control (CVE-2026-8382)
The 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.
CVE-2026-8382
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2026-6415)
The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML construction in the update_preview() JavaScript function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVE-2026-6415
Advanced Custom Fields - Broken Access Control (CVE-2026-4812)
The 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 types, and other data that should be restricted by field configuration.
CVE-2026-4812
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2025-14983)
The Advanced Custom Fields: Font Awesome Field plugin for WordPress is vulnerable to Cross-Site Scripting in all versions up to, and including, 5.0.1 due to insufficient input sanitization and output escaping. This makes it possible forauthenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that execute in a victim's browser.
CVE-2025-14983
Advanced Custom Fields - Security Vulnerability (CVE-2024-9529)
The Secure Custom Fields WordPress plugin before 6.3.9, Secure Custom Fields WordPress plugin before 6.3.6.3, Advanced Custom Fields Pro WordPress plugin before 6.3.9 does not prevent users from running arbitrary functions through its setting import functionalities, which could allow high privilege users such as admin to run arbitrary PHP functions.
CVE-2024-9529
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2024-49593)
In Advanced Custom Fields (ACF) before 6.3.9 and Secure Custom Fields before 6.3.6.3 (plugins for WordPress), using the Field Group editor to edit one of the plugin's fields can result in execution of a stored XSS payload. NOTE: if you wish to use the WP Engine alternative update mechanism for the free version of ACF, then you can follow the process shown at the advancedcustomfields.com blog URL within the References section below.
CVE-2024-49593
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2024-45429)
Cross-site scripting vulnerability exists in Advanced Custom Fields versions 6.3.5 and earlier and Advanced Custom Fields Pro versions 6.3.5 and earlier. If an attacker with the 'capability' setting privilege which is set in the product settings stores an arbitrary script in the field label, the script may be executed on the web browser of the logged-in user with the same privilege as the attacker's.
CVE-2024-45429
Advanced Custom Fields - Security Vulnerability (CVE-2024-4565)
The Advanced Custom Fields (ACF) WordPress plugin before 6.3, Advanced Custom Fields Pro WordPress plugin before 6.3 allows you to display custom field values for any post via shortcode without checking for the correct access
CVE-2024-4565
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2023-6701)
The 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.
CVE-2023-6701
Advanced Custom Fields - Information Disclosure (CVE-2022-40696)
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in WP Engine Advanced Custom Fields (ACF).This issue affects Advanced Custom Fields (ACF): from 3.1.1 through 6.0.2.
CVE-2022-40696
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2023-40068)
Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege.
CVE-2023-40068
Advanced Custom Fields - Cross-Site Scripting (XSS) (CVE-2023-30777)
Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins
CVE-2023-30777
Advanced Custom Fields - PHP Object Injection (CVE-2023-1196)
The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user controllable data, which could allow users with a role of Contributor and above to perform PHP Object Injection when a suitable gadget is present.
CVE-2023-1196
Advanced Custom Fields - Security Vulnerability (CVE-2022-2594)
The Advanced Custom Fields WordPress plugin before 5.12.3, Advanced Custom Fields Pro WordPress plugin before 5.12.3 allows unauthenticated users to upload files allowed in a default WP configuration (so PHP is not possible) if there is a frontend form available. This vulnerability was introduced in the 5.0 rewrite and did not exist prior to that release.
CVE-2022-2594
Advanced Custom Fields - Broken Access Control (CVE-2022-23183)
Missing authorization vulnerability in Advanced Custom Fields versions prior to 5.12.1 and Advanced Custom Fields Pro versions prior to 5.12.1 allows a remote authenticated attacker to view the information on the database without the access permission.
CVE-2022-23183
Advanced Custom Fields - Broken Access Control (CVE-2021-20867)
Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in moving the field group which may allow a user to move the unauthorized field group via unspecified vectors.
CVE-2021-20867
Advanced Custom Fields - Broken Access Control (CVE-2021-20865)
Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in browsing database which may allow a user to browse unauthorized data via unspecified vectors.
CVE-2021-20865
Advanced Custom Fields - Broken Access Control (CVE-2021-20866)
Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing authorization vulnerability in obtaining the user list which may allow a user to obtain the unauthorized information via unspecified vectors.
CVE-2021-20866