diff --git a/spec/xml_checks_spec.rb b/spec/xml_checks_spec.rb
index 348ceabf..fdd99374 100644
--- a/spec/xml_checks_spec.rb
+++ b/spec/xml_checks_spec.rb
@@ -19,8 +19,7 @@
 
 require 'spec_helper'
 
-describe 'XML checks' do
-
+describe 'XSD checks' do
   after :each do
     FileTest.exists?(@file).should be_true
 
@@ -60,3 +59,35 @@ describe 'XML checks' do
     @xsd  = LOCAL_FILES_XSD
   end
 end
+
+describe 'Well formed XML checks' do
+  after :each do
+    FileTest.exists?(@file).should be_true
+
+    begin
+      Nokogiri::XML(File.open(@file)) { |config| config.options = Nokogiri::XML::ParseOptions::STRICT }
+    rescue Nokogiri::XML::SyntaxError => e
+      fail "#{@file}: #{e.message}"
+    end
+  end
+
+  it 'check plugin_vulns.xml for syntax errors' do
+    @file = PLUGINS_VULNS_FILE
+  end
+
+  it 'check theme_vulns.xml for syntax errors' do
+    @file = THEMES_VULNS_FILE
+  end
+
+  it 'check wp_versions.xml for syntax errors' do
+    @file = WP_VERSIONS_FILE
+  end
+
+  it 'check wp_vulns.xml for syntax errors' do
+    @file = WP_VULNS_FILE
+  end
+
+  it 'check local_vulnerable_files.xml for syntax errors' do
+    @file = LOCAL_FILES_FILE
+  end
+end