The great thing about 'use strict' is that when you know that it's being a problem, you can turn it off:

for $param (@params) {
 no strict 'refs';
 $$param = $cgi->param($param);
}
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however, in your case, as everything's a scalar, I'd probably use the 'Vars' function to just dump it all to a hash: (or hashref, in this particular example)

use CGI ':cgi-lib';
$params = Vars;
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Update: chromatic is completely correct. You shouldn't turn off strict unless you're sure it's a good idea, as it can get you into trouble. If you're going to use the above trick, @params should come from a list that you define, and not from a call to params() or anything that might be tainted.