Thanks, I managed to fix it.
The documentation is... let's say not really clear on how to use it.
It says: $escaped_string = escapeHTML("unescaped string");
But for manual use it's $escaped_string = $cgi->escapeHTML("unescaped string");
Unfortunately this is not mentioned in the documentation but Google found the Syntax for me. This method is not importet by using 'use CGI;'. It's a method on the $cgi-Object. :)
And you're right: This method is used automatcally only for forms created using CGI.pm and not on my self-written HTML-code.
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