Payment Bypass Vulnerability in Event Tickets and Registration Plugin for WordPress
CVE-2025-11517

7.5HIGH

Key Information:

Vendor

WordPress
Status
Event Tickets And Registration
Vendor
CVE Published:
18 October 2025

What is CVE-2025-11517?

The Event Tickets and Registration plugin for WordPress has a flaw that allows unauthenticated users to exploit the /wp-json/tribe/tickets/v1/commerce/free/order endpoint. This endpoint fails to verify if a ticket type is legitimately free, enabling malicious actors to circumvent payment processes and gain unauthorized access to paid tickets. This vulnerability presents a significant revenue loss risk for the affected entities.

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Deploy the Patch

Affected Version(s)

Event Tickets and Registration * <= 5.26.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3378214/even...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jack Pas
JSON
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