Describe CVE-2011-5134.
What is CVE-2011-5134?
Unrestricted file upload vulnerability in editor/extensions/browser/file.php in the JCE component before 2.0.18 for Joomla! allows remote authenticated users with the author privileges to execute arbitrary PHP code by uploading a file with a double extension, as demonstrated by .php.gif.  NOTE: some of these details are obtained from third party information..