CVE-2023-0289: Webcalendar Project Webcalendar

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

Cross-site Scripting (XSS) - Stored in GitHub repository craigk5n/webcalendar prior to master.

Affected products

• Webcalendar Project Webcalendar: affected versions not specified

Published 2023-01-13. Last modified 2026-06-17.