1、如果在编写代码的过程中存在如下逻辑的代码,即将用户输入带入代码逻辑获取:
$smarty->display($_REQUEST['tpl'].”.tpl”);
2、用户可以在访问脚本时,在URL中指定特定参数,如“?tpl=string:{phpinfo()}”,即可执行phpinfo代码。
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