CVE-2026-77694

Eventin < 4.1.19 - Unauthenticated Order Completion Without Payment via order_token

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.

Affected

Eventin

CVSS v3.1 CNA

5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS

0.30% chance of exploitation in the next 30 days, 22nd percentile

Published

2026-08-26

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/2670eac4-b630-4546-9b56-f19feabfa550/

References

• CVE Record
• NVD entry