What’s Vulnerable › Vulnerabilities

CVE-2026-4109: Eventin – Events Calendar, Event Booking, Ticket & Registration (AI Powered) <= 4.1.8 Missing Authorization to Authenticated (Subscriber+) Order Information Exposure

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-14 · updated 2026-06-17
• Weakness: CWE-862

Description

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): through 4.1.8

References

• https://plugins.trac.wordpress.org/changeset/3501510/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/87f82d5d-d89a-440d-8c23-ace5160a0739?source=cve

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