Attention: The v4 Minor Fixes pack has been updated to with an updated classes2.php file which closes yet more security holes. To clarify things, here's a list of the included adjustments now in this pack:
Admin Panels Image Uploads: Now accepts x-png as an image type
Panal Management: User Info panel can no longer be edited/disabled or removed
Site Settings: Time Offset value is now shown correctly if user time offset is not 0 Core classes2.php: Ubbcode parsing corrected, extra code added to strip out mallicious code. Forum Forum Search now displays results when all forums are not visible to public/visitors
User profile links on forum index now work correctly
Added cookie check during forum post routine to stop blank posts Languages Danish/Dutch/German/English/Swedish language files fully updated Main Fixed forumlist.php: Latest Active Forum Threads now visible when all forums are not visible to public/visitors
Fixed LAN definition in readmessage.php
The v4 Minor Fixes pack is available Here. The Full/Upgrade packs have also been updated to include the above fixes.