Wwwshellcodeit

**Name of the Vulnerable Software and Affected Versions** Nextcloud Calendar versions prior to 4.6.8 Nextcloud Calendar versions prior to 4.7.2 **Description** The issue allows authenticated users to create an event with manipulated attachment data, leading to a bad redirect for participants when clicked. **Recommendations** For versions prior to 4.6.8, upgrade to version 4.6.8. For versions prior to 4.7.2, upgrade to version 4.7.2.