kkFileView picturesPreview setWatermarkAttribute cross site scripting

A vulnerability, which was classified as problematic, has been found in kkFileView. Affected by this issue is the function setWatermarkAttribute of the file /picturesPreview. The manipulation leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-216776.