How severe is CVE-2026-15406?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Arraytics Eventin – Event Calendar, Tickets, Registration, Booking & Woocommerce

CVE-2026-15406

The Eventin – Event Calendar, Event Registration, Tickets & Booking (AI Powered) plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 4.1.22 via the 'event_layout' parameter parameter. This makes it possible for authenticated attackers, with custom-level access and above, to include and execute arbitrary .php files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where .php file types can be uploaded and included.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Arraytics Eventin – Event Calendar, Tickets, Registration, Booking & Woocommerce

Weakness classification (CWE)

CWE-98 — PHP Remote File Inclusion

References

Frequently asked questions

What is CVE-2026-15406?: CVE-2026-15406 is a high-severity vulnerability in Arraytics Eventin – Event Calendar, Tickets, Registration, Booking & Woocommerce, classified under PHP Remote File Inclusion. CVSS score: 7.5/10. Published 2026-09-09.
How severe is CVE-2026-15406?: High severity. CVSS v3 base score is 7.5 out of 10.