CVE-2008-6736: Circulargenius Flat Calendar

Medium severity, CVSS 6.4. EPSS: 2.2% chance of exploitation in the next 30 days.

Flat Calendar 1.1 does not properly restrict access to administrative functions, which allows remote attackers to (1) add new events via calAdd.php, as reachable from admin/add.php, or (2) delete events via admin/deleteEvent.php. NOTE: this is only a vulnerability when the administrator does not follow recommendations in the product's security documentation.

Affected products

• Circulargenius Flat Calendar: version 1.1 only

Published 2009-04-21. Last modified 2026-06-16.