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CVE-2025-11517

HIGH 7.5 CVSS 3.1
Published
October 18, 2025
Last modified
October 9, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-639
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

The Event Tickets and Registration plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 5.26.5. This is due to the /wp-json/tribe/tickets/v1/commerce/free/order endpoint not verifying that a ticket type should be free allowing the user to bypass the payment. This makes it possible for unauthenticated attackers to obtain access to paid tickets, without paying for them, causing a loss of revenue for the target.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • stellarwp Event Tickets and Registration — Up to and including 5.26.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3378214/event-tickets/tags/5.26.6/src/Tickets/Commerce/Gateways/Free/REST/Order_Endpoint.php
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/21cd8cb8-2a29-4b66-ab7a-8d8b2f85e2e0?source=cve
  • nvd.nist.gov Official NVD record