CVE-2023-3558: Gzscripts Event Booking Calendar

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

A vulnerability classified as problematic has been found in GZ Scripts Event Booking Calendar 1.8. Affected is an unknown function of the file /load.php. The manipulation of the argument first_name/second_name/phone/address_1/country leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-233352. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• Gzscripts Event Booking Calendar: version 1.8 only

Published 2023-07-10. Last modified 2026-06-17.