Are you trying to use what an end system is set to by default?
(if indeed this environment var is set on some system....... not yours ;-)

Perhaps try:
$ENV{'QUERY_STRING'} = "" unless defined $ENV{'QUERY_STRING'};

[download]
Environment variables taken from your system, not set by you, are tainted. You may need to untaint it first.

In reply to Re: initialize ENV variables under strict by krusty
in thread initialize ENV variables under strict by true

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