CVE-2023-51298: Phpjabbers Event Booking Calendar

Medium severity, CVSS 4.7. EPSS: 0.4% chance of exploitation in the next 30 days.

PHPJabbers Event Booking Calendar v4.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.

Affected products

• Phpjabbers Event Booking Calendar: version 4.0 only

Published 2025-02-19. Last modified 2026-06-17.