CVE-2007-1343: Webcalendar

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

includes/functions.php in Craig Knudsen WebCalendar before 1.0.5 does not protect the noSet variable from external modification, which allows remote attackers to set arbitrary global variables via a URL with modified values in the noSet parameter, which leads to resultant vulnerabilities that probably include remote file inclusion and other issues.

Affected products

• Webcalendar Webcalendar: version 1.0.0 only; version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only

Published 2007-03-08. Last modified 2026-06-16.