CVE-2025-13486 PoC — Advanced Custom Fields: Extended 0.9.0.5 - 0.9.1.1 - Unauthenticated Remote Code Execution in prepare_form

Source

https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-13486.yaml

Associated Vulnerability

Title: Advanced Custom Fields: Extended 0.9.0.5 - 0.9.1.1 - Unauthenticated Remote Code Execution in prepare_form (CVE-2025-13486)
Description:The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Remote Code Execution in versions 0.9.0.5 through 0.9.1.1 via the prepare_form() function. This is due to the function accepting user input and then passing that through call_user_func_array(). This makes it possible for unauthenticated attackers to execute arbitrary code on the server, which can be leveraged to inject backdoors or create new administrative user accounts.

Description

Advanced Custom Fields: Extended WordPress plugin 0.9.0.5 through 0.9.1.1 contains a remote code execution caused by unsafe use of call_user_func_array() in prepare_form() function, letting unauthenticated attackers execute arbitrary code remotely.

File Snapshot

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