Security Warning: World Writable files found
This basically says that your system has found some files with write permission for "everyone".
Files and directories have specific permissions for the owner, group and "everyone else" (also called "world").
So, world writable files are changeable by anyone who accesses your system (your regular users, but also hackers). Obviously, this is a serious computer security hazard.
Either remove the file(s) in question, if you no longer need/use it, or use "chmod" to restrict the file permissions.
If you don't know where the file(s) are, try:
or something like that...