There's no security risk here in most systems, because the output of CGI is not generally parsed for SSI. Methinks you have a hair-trigger on that. :)

Even having said that, 

$var =~ s/ < ! - - ( . | \ n ) * - - >//g;

[download]
is poor performing code. You want something like this instead: 
$var =~ s/<!--.*?-->//gi;

[download]

In reply to RE: SECURITY RISK by merlyn
in thread How to get into $ENV{'QUERY_STRING'}? by dominica1000

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