* lib/cgi/util.rb (CGI::unescapeHTML): fix Hexadecimal numeric character.

  [Bug #8183]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40181 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 5 insertions, 1 deletions

diff --git a/lib/cgi/util.rb b/lib/cgi/util.rb
index 41ae724c8c..0959f0f094 100644
--- a/lib/cgi/util.rb
+++ b/lib/cgi/util.rb
@@ -55,7 +55,7 @@ class CGI
       end
     end
     asciicompat = Encoding.compatible?(string, "a")
-    string.gsub(/&(apos|amp|quot|gt|lt|\#[0-9]+|\#x[0-9A-Fa-f]+);/) do
+    string.gsub(/&(apos|amp|quot|gt|lt|\#[0-9]+|\#[xX][0-9A-Fa-f]+);/) do
       match = $1.dup
       case match
       when 'apos'                then "'"
diff --git a/test/cgi/test_cgi_util.rb b/test/cgi/test_cgi_util.rb
index 2c003a0300..7129cb6c9e 100644
--- a/test/cgi/test_cgi_util.rb
+++ b/test/cgi/test_cgi_util.rb
@@ -61,4 +61,8 @@ class CGIUtilTest < Test::Unit::TestCase
     assert_equal(CGI::unescapeHTML("&#39;&amp;&quot;&gt;&lt;"),"'&\"><")
   end
 
+  def test_cgi_unescapeHTML_uppercasecharacter
+    assert_equal(CGI::unescapeHTML("&#x3042;&#x3044;&#X3046;"),"\xE3\x81\x82\xE3\x81\x84\xE3\x81\x86")
+  end
+
 end