Improper access control vulnerability in SYNO.Cal.EventBase in Synology Calendar before 2.0.1-0242 allows remote authenticated users to modify calendar event via unspecified vectors.

Improper limitation of a pathname to a restricted directory ('Path Traversal') vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to download arbitrary files via unspecified vectors.

Cross-Site Request Forgery (CSRF) vulnerability in webapi component in Synology Calendar before 2.3.4-0631 allows remote authenticated users to hijack the authentication of administrators via unspecified vectors.

Improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability in Event Management in Synology Calendar before 2.4.5-10930 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.

OS command injection vulnerability in drivers_syno_import_user.php in Synology Calendar before 2.3.1-0617 allows remote attackers to execute arbitrary commands via the crafted 'X-Real-IP' header.

Cross-site scripting (XSS) vulnerability in Event Editor in Synology Calendar before 2.3.0-0615 allows remote attackers to inject arbitrary web script or HTML via the title parameter.

Information exposure through process environment vulnerability in Synology Calendar before 2.3.3-0620 allows local users to obtain credentials via cmdline.

Improper authorization vulnerability in SYNO.Cal.Event in Calendar before 2.1.2-0511 allows remote authenticated users to create arbitrary events via the (1) cal_id or (2) original_cal_id parameter.

Cross-site scripting (XSS) vulnerability in Notification Center in Synology Calendar before 2.1.1-0502 allows remote authenticated users to inject arbitrary web script or HTML via title parameter.

Relative path traversal vulnerability in Attachment Uploader in Synology Calendar before 2.2.2-0532 allows remote authenticated users to upload arbitrary files via the filename parameter.