299ko FileManagerAPIController.php delete path traversal

A weakness has been identified in 299ko up to 2.0.0. Affected by this issue is the function getSentDir/delete of the file plugin/filemanager/controllers/FileManagerAPIController.php. Executing manipulation can lead to path traversal. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.