Description
Inadequate filtering leads to the ability to bypass file type upload restrictions.
Affected Installs
Joomla! version 2.5.13 and earlier 2.5.x versions; and version 3.1.4 and earlier 3.x versions.
Solution
Upgrade to version 2.5.14 or 3.1.5.
Backup your Joomla files and database first.
Use the Joomla Update Component to update or download Joomla 2.5.14 here
and 3.1.5 here
Get Joomla update alerts by email here
