CVE-2007-1483: k5n Webcalendar

High severity, CVSS 7.5. EPSS: 4.1% chance of exploitation in the next 30 days.

Multiple PHP remote file inclusion vulnerabilities in WebCalendar 0.9.45 allow remote attackers to execute arbitrary PHP code via a URL in the includedir parameter to (1) login.php, (2) get_reminders.php, or (3) get_events.php.

Affected products

• k5n Webcalendar: version 0.9.45 only

Published 2007-03-16. Last modified 2026-06-16.