When filing bug for bugzilla itself:

  Administration                editcomponents.cgi, editgroups.cgi, editkeywords.cgi, editparams.cgi, editproducts.cgi, editusers.cgi, editversions.cgi, sanitycheck.cgi
  Attachments/Requests          attachment.cgi, request.cgi
  Bug Import/Export/Moving      move.pl, importxml.pl
  Bugzilla General
> Creating/Changing Bugs        enter_bug.cgi, post_bug.cgi, show_bug.cgi, process_bug.cgi
  Database
  Dependency Views              showdependencytree.cgi, showdependencygraph.cgi
  Documentation                 page.cgi
  Email Notifications           processmail, Bugzilla/BugMail.pm
  Performance
  Product Browser               browse.cgi
> Query/Bug List                query.cgi, buglist.cgi
  Reporting/Charting            reports.cgi, duplicates.cgi
  User Accounts                 userprefs.cgi
  User Interface
  WebService                    xmlrpc.cgi, Bugzilla/WebService/*.pm
  Whining                       whine.pl, editwhines.cgi