TYPO3 is a free and open source web content management framework based on PHP. It is released under the GNU General Public License. It can run on several web servers, such as Apache or IIS, on top of many operating systems, among them Linux, Microsoft Windows, FreeBSD, Mac OS X and OS/2.

You are using an old version of Typo3. Make sure that you keep your Typo3 installation patched and up to date by following your vendor's instructions.


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