CVE-2011-3814: k5n Webcalendar

Medium severity, CVSS 5.0. EPSS: 1.2% chance of exploitation in the next 30 days.

WebCalendar 1.2.3, and other versions before 1.2.5, allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by ws/user_mod.php and certain other files.

Affected products

• k5n Webcalendar: version 1.2.3 only

Published 2011-09-24. Last modified 2026-06-16.