Auth bypass in Arraytics Eventin – Event Calendar, Registration, Tickets & Booking (Ai Powered)
CVE-2026-4109
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.
Vulnerability class: Broken Access Control
EPSS: 0.002 (7.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-4109?
- CVE-2026-4109 is a medium-severity vulnerability in Arraytics Eventin – Event Calendar, Registration, Tickets & Booking (Ai Powered), classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-04-14.
- How severe is CVE-2026-4109?
- Medium severity. CVSS v3 base score is 4.3 out of 10.