CVE-2026-4109: Arraytics Eventin – Event Calendar, Event Registration, Tickets & Booking Ai Powered

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The Eventin – Events Calendar, Event Booking, Ticket & Registration (AI Powered) plugin for WordPress is vulnerable to unauthorized access of data due to a improper capability check on the get_item_permissions_check() function in all versions up to, and including, 4.1.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to read arbitrary order data including customer PII (name, email, phone) by iterating order IDs.

Affected products

• Arraytics Eventin – Event Calendar, Event Registration, Tickets & Booking Ai Powered: up to and including 4.1.8

Published 2026-04-14. Last modified 2026-06-17.