The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains a missing authentication vulnerability in dloader.php. If this vulnerability is exploited, arbitrary files on a server may be obtained.

The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains a path traversal vulnerability in dloader.php. If this vulnerability is exploited, arbitrary files on a server may be obtained.

The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains an SQL injection vulnerability in retrieve.php. If this vulnerability is exploited, information in a database may be deleted, altered, or retrieved.

The LuxCal Web Calendar prior to 5.3.3M (MySQL version) and prior to 5.3.3L (SQLite version) contains an SQL injection vulnerability in pdf.php. If this vulnerability is exploited, information in a database may be deleted, altered, or retrieved.