From 04d44731190ea19afe5547ac5b0f7928d4af1381 Mon Sep 17 00:00:00 2001
From: Parker Moore <parkrmoore@gmail.com>
Date: Mon, 4 Apr 2016 13:13:06 -0700
Subject: [PATCH] Use Marshal to duplicate configuration defaults to prevent
 manipulation

---
 lib/jekyll.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/jekyll.rb b/lib/jekyll.rb
index e9f4547b..cee9905d 100644
--- a/lib/jekyll.rb
+++ b/lib/jekyll.rb
@@ -99,7 +99,7 @@ module Jekyll
     #
     # Returns the final configuration Hash.
     def configuration(override = {})
-      config = Configuration[Configuration::DEFAULTS]
+      config = Configuration[Marshal.load(Marshal.dump(Configuration::DEFAULTS))]
       override = Configuration[override].stringify_keys
       unless override.delete('skip_config_files')
         config = config.read_config_files(config.config_files(override))