Fixed some errors

data/plugin_vulns.xml

@@ -4762,7 +4762,7 @@
         <osvdb>93584</osvdb>
         <secunia>53481</secunia>
       </references>
-      <type></type>
+      <type>MULTI</type>
     </vulnerability>
   </plugin>
 
@@ -5740,7 +5740,7 @@
         <osvdb>91868</osvdb>
         <url>http://seclists.org/fulldisclosure/2013/Mar/282</url>
       </references>
-      <type></type>
+      <type>XSS</type>
     </vulnerability>
   </plugin>
 
@@ -6616,11 +6616,13 @@
 
   <plugin name="usernoise">
     <vulnerability>
-      <title>XSS vulnerability in Usernoise 3.7.8</title>
+      <title>Usernoise 3.7.8 - Persistent XSS Vulnerability</title>
       <references>
         <url>http://wordpress.org/plugins/usernoise/changelog/</url>
         <exploitdb>27403</exploitdb>
+        <osvdb>96000</osvdb>
       </references>
+      <type>XSS</type>
       <fixed_in>3.7.9</fixed_in>
     </vulnerability>
   </plugin>
@@ -6903,18 +6905,6 @@
     </vulnerability>
   </plugin>
 
-  <plugin name="usernoise">
-    <vulnerability>
-      <title>Usernoise 3.7.8 - Persistent XSS Vulnerability</title>
-      <references>
-        <exploitdb>27403</exploitdb>
-        <osvdb>96000</osvdb>
-      </references>
-      <type>XSS</type>
-      <fixed_in>3.7.9</fixed_in>
-    </vulnerability>
-  </plugin>
-
   <plugin name="booking">
     <vulnerability>
       <title>Booking Calendar 4.1.4 - CSRF Vulnerability</title>