CVE-2025-11517 Event Tickets and Registration <= 5.26.5 - Unauthenticated Ticket Payment Bypass
Unauthenticated attackers can bypass payment checks to obtain paid tickets for free, causing revenue loss for site owners.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-11517?
CVE-2025-11517 is a high-severity vulnerability in stellarwp Event Tickets and Registration, published on 18 Oct 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2025-11517?
How do I fix CVE-2025-11517?
No fix has been published for CVE-2025-11517 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-11517 being exploited?
There is no known exploitation of CVE-2025-11517 in the wild and no public exploit code.
Sources
Also known as GHSA-jfwp-6m6h-2wgw.