BASH:
loginStamp=$( curl -s -c cookie.txt "http:/URLdoSTRONYlogowania" | grep loginstamp | cut -d "\"" -f8 );

curl -Ls -b cookie.txt "http://URLdoSTRONYlogowania/security_check" \
	-H "Referer: http://refererURL" \
	--data "loginstamp=$loginStamp&j_username=$userName&j_password=$passWord"

PHP:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'http:/URLdoSTRONYlogowania');
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$store=curl_exec($ch);
preg_match("/loginstamp.*/", $store, $x);
$ls=explode("\"", $x[0]);
$loginStamp=$ls[4];
curl_close($ch);

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, http://URLdoSTRONYlogowania/security_check');
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, 'loginstamp='.$loginStamp.'&j_username='.$userName.'&j_password='.$passWord.'');
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
curl_setopt($ch, CURLOPT_COOKIEFILE, 'cookie.txt');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_exec($ch);