Description
apps/calendar/ajax/events.php in ownCloud before 4.5.11 and 5.x before 5.0.6 does not properly check the ownership of a calendar, which allows remote authenticated users to download arbitrary calendars via the calendar_id parameter.
Remediation
References
Related Vulnerabilities
MediaWiki Improper Authentication Vulnerability (CVE-2014-2665)
Zope Web Application Server Other Vulnerability (CVE-2006-3458)
WordPress Plugin Import/Export Customizer Settings Cross-Site Request Forgery (1.0.3)
WordPress Plugin Gallery-Flagallery Photo Portfolio 'skin' Parameter Cross-Site Scripting (1.72)