http://old.net.eu.org/index.php?p=%3C/title%3E%3Cmeta%20http...
Fix it ASAP if you don't want to be associated with any fault caused by attackers.
If you hosted this online, you're simply providing a platform for malicious users to gather targets or worse.
What was/is the goal of this project? To make the smallest CMS? To try your hand at making a CMS and to learn from it? This is unclear.
if you have a solution - I will be happy to consider it and use it
P.S. the script does not collect cookies and works on text files. That's probably why this method