CVE-2026-77694 Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token

Medium 5.3 Published Updated

Unauthenticated attackers can mark unpaid orders as completed to obtain valid tickets without payment in the Eventin WordPress plugin.

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-2026-77694?

CVE-2026-77694 is a medium-severity vulnerability in Unknown Eventin, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Eventin WordPress plugin before 4.1.19 does not properly restrict which changes a guest checkout token is allowed to authorise on an order, allowing unauthenticated users to mark their own unpaid order as completed and be issued a valid paid ticket with no payment taken.

Weakness: CWE-862

Which versions are affected by CVE-2026-77694?

How do I fix CVE-2026-77694?

No fix has been published for CVE-2026-77694 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-77694 being exploited?

There is no known exploitation of CVE-2026-77694 in the wild and no public exploit code.

Sources

Also known as GHSA-rh58-q787-q9gq.

Is CVE-2026-77694 in your software?

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