Auth bypass in Event Booking Manager For Woocommerce

CVE-2026-91008

The Event Booking Manager for WooCommerce WordPress plugin before 5.3.8 does not perform an ownership or authorization check before rendering booking confirmation details, allowing unauthenticated attackers to retrieve registered attendees' personal information (full name, email address, phone number, and custom registration fields) by supplying an enumerable booking reference. Exploitation is limited to sites configured to use the Event Booking Manager for WooCommerce WordPress plugin before 5.3.8's native (non-WooCommerce) checkout, which is not the default.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

  • Unknown Event Booking Manager For Woocommerce

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-91008?
CVE-2026-91008 is a low-severity vulnerability in Event Booking Manager For Woocommerce, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 3.7/10. Published 2026-09-17.
How severe is CVE-2026-91008?
Low severity. CVSS v3 base score is 3.7 out of 10.