Prevent mass-assignment when adding/updating a wiki (#10390).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9138 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/wikis_controller.rb

@@ -22,7 +22,7 @@ class WikisController < ApplicationController
   # Create or update a project's wiki
   def edit
     @wiki = @project.wiki || Wiki.new(:project => @project)
-    @wiki.attributes = params[:wiki]
+    @wiki.safe_attributes = params[:wiki]
     @wiki.save if request.post?
     render(:update) {|page| page.replace_html "tab-content-wiki", :partial => 'projects/settings/wiki'}
   end