Silverpeas/Silverpeas-Core — pull request #434 by mmoqui (2013-11-04 16:23:54+00:00)
Title: bug #4737 :  Any files can be uploaded into a web site.

Now FileUtil.getMimeType() method uses first the Tika mime-type detector before using the file extension to detect the correct file mime-type.
The fix of the bug is in Silverpeas-Components, don't forget to merge it also.