CVE-2017-10840: Webcalendar Project Webcalendar

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

Cross-site scripting vulnerability in WebCalendar 1.2.7 and earlier allows an attacker to inject arbitrary web script or HTML via unspecified vectors.

Affected products

• Webcalendar Project Webcalendar: version 1.2.7 only

Published 2017-08-29. Last modified 2026-06-17.