Critical CVSS 10.0

Overview

The WordPress plugin Advanced Custom Fields (ACF) version 3.5.1 and below contains a remote file inclusion (RFI) vulnerability in core/actions/export.php. When the PHP configuration directive allow_url_include is enabled (default: Off), an unauthenticated attacker can exploit the acf_abspath POST parameter to include and execute arbitrary remote PHP code. This leads to remote code execution under the web server’s context, allowing full compromise of the host.

Risk analysis

This vulnerability is rated πŸ”΄ CRITICAL.

  • CVSS: 10.0 (CRITICAL)
  • Detected tags: rce, rfi, unauth_access (tag impact: VERY HIGH)

Recommended actions:

  • Patch/upgrade immediately (remote code execution).
  • Reduce exposure (WAF/segmentation), minimize attack surface.
  • Disable remote includes; enforce strict allowlists.
  • Enforce authentication/authorization; reduce default endpoint exposure.

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