mcp-server-semgrep/semgrep-rules/php/wordpress-plugins/security/audit/wp-ajax-no-auth-and-auth-hooks-audit.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
  - id: wp-ajax-no-auth-and-auth-hooks-audit
    patterns:
      - pattern: add_action($HOOK,...)
      - metavariable-regex:
          metavariable: $HOOK
          regex: "'wp_ajax_.*'"
    message: >-
      These hooks allow the developer to handle the custom AJAX
      endpoints."wp_ajax_$action" hook get fires for any authenticated user and
      "wp_ajax_nopriv_$action" hook get fires for non-authenticated users.
    paths:
      include:
        - wp-content/plugins/**/*.php
    languages:
      - php
    severity: WARNING
    metadata:
      category: security
      confidence: LOW
      likelihood: LOW
      impact: MEDIUM
      subcategory:
        - audit
      technology:
        - Wordpress Plugins
      references:
        - https://github.com/wpscanteam/wpscan/wiki/WordPress-Plugin-Security-Testing-Cheat-Sheet#authorisation
        - https://developer.wordpress.org/reference/hooks/wp_ajax_action/
      owasp: 
        - A01:2021 - Broken Access Control
      cwe: 
        - "CWE-285: Improper Authorization"