Cross-site scripting (XSS) exists in SeedDMS 6.0.13 via the folderid parameter to views/bootstrap/class.DropFolderChooser.php.
https://sourceforge.net/projects/seeddms/files/
https://sourceforge.net/p/seeddms/code/ci/32b03b1e5880e2f38cecf4ac7743f8f62f33043f/