What is CVE-2026-77694?

CVE-2026-77694 is a medium-severity vulnerability in Eventin, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-26.

How severe is CVE-2026-77694?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Eventin

CVE-2026-77694

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.

Vulnerability class: Broken Access Control

EPSS: 0.002 (6.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Unknown Eventin

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-77694?: CVE-2026-77694 is a medium-severity vulnerability in Eventin, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-08-26.
How severe is CVE-2026-77694?: Medium severity. CVSS v3 base score is 5.3 out of 10.