CVE-2026-16067 Event Booking Manager for WooCommerce (Pro) < 5.0.3 - Unauthenticated Payment Bypass via Client-Controlled Ticket Price
Unauthenticated attackers can bypass payment validation to obtain paid event tickets for free by manipulating client-side price data.
- 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-2026-16067?
CVE-2026-16067 is a medium-severity vulnerability in Unknown Event Booking Manager for WooCommerce (Pro), published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Event Booking Manager for WooCommerce (Pro) WordPress plugin before 5.0.3 does not validate the ticket price on the server during its native (non-WooCommerce) checkout, trusting the per-ticket price supplied by the client instead of re-deriving the event's configured price. This allows unauthenticated users to book paid event tickets for free, obtaining completed bookings and valid tickets at no cost.
Weakness: CWE-472
Which versions are affected by CVE-2026-16067?
How do I fix CVE-2026-16067?
No fix has been published for CVE-2026-16067 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-16067 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16067 exists.
Sources
Also known as GHSA-3qf4-97w4-w66g.