XSS EXPLOIT JAVA SCRIPT

Question

我的网站出现问题很多黑客来找我，窃取会员cookies并重定向到他们的网站。我搜索了一下，我发现了一个脚本，阻止xss利用，但我是新来的PHP，我不知道如何使用它。 我试图使用include和php文件的名称。 此脚本：

/* 

* XSS filter 
* 
* This was built from numerous sources 
* (thanks all, sorry I didn't track to credit you) 
* 
* It was tested against *most* exploits here: http://ha.ckers.org/xss.html 
* WARNING: Some weren't tested!!! 
* Those include the Actionscript and SSI samples, or any newer than Jan 2011 
* 
* 
* TO-DO: compare to SymphonyCMS filter: 
* https://github.com/symphonycms/xssfilter/blob/master/extension.driver.php 
* (Symphony's is probably faster than my hack) 
*/ 

function xss_clean($data) 
{ 
    // Fix &entity\n; 
    $data = str_replace(array('&','<','>'), array('&','<','>'), $data); 
    $data = preg_replace('/(&#*\w+)[\x00-\x20]+;/u', '$1;', $data); 
    $data = preg_replace('/(&#x*[0-9A-F]+);*/iu', '$1;', $data); 
    $data = html_entity_decode($data, ENT_COMPAT, 'UTF-8'); 

// Remove any attribute starting with "on" or xmlns 
    $data = preg_replace('#(<[^>]+?[\x00-\x20"\'])(?:on|xmlns)[^>]*+>#iu', '$1>', $data); 

// Remove javascript: and vbscript: protocols 
    $data = preg_replace('#([a-z]*)[\x00-\x20]*=[\x00-\x20]*([`\'"]*)[\x00-\x20]*j[\x00-\x20]*a[\x00-\x20]*v[\x00-\x20]*a[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iu', '$1=$2nojavascript...', $data); 
    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*v[\x00-\x20]*b[\x00-\x20]*s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:#iu', '$1=$2novbscript...', $data); 
    $data = preg_replace('#([a-z]*)[\x00-\x20]*=([\'"]*)[\x00-\x20]*-moz-binding[\x00-\x20]*:#u', '$1=$2nomozbinding...', $data); 

// Only works in IE: <span style="width: expression(alert('Ping!'));"></span> 
    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?expression[\x00-\x20]*\([^>]*+>#i', '$1>', $data); 
    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?behaviour[\x00-\x20]*\([^>]*+>#i', '$1>', $data); 
    $data = preg_replace('#(<[^>]+?)style[\x00-\x20]*=[\x00-\x20]*[`\'"]*.*?s[\x00-\x20]*c[\x00-\x20]*r[\x00-\x20]*i[\x00-\x20]*p[\x00-\x20]*t[\x00-\x20]*:*[^>]*+>#iu', '$1>', $data); 

// Remove namespaced elements (we do not need them) 
    $data = preg_replace('#</*\w+:\w[^>]*+>#i', '', $data); 
    do 
    { 
    // Remove really unwanted tags 
     $old_data = $data; 
     $data = preg_replace('#</*(?:applet|b(?:ase|gsound|link)|embed|frame(?:set)?|i(?:frame|layer)|l(?:ayer|ink)|meta|object|s(?:cript|tyle)|title|xml)[^>]*+>#i', '', $data); 
    } 
    while ($old_data !== $data); 

// we are done... 

return $data; 

} 

如何使用它？请解释放在哪里？

Answer 1

您需要包括这个文件，那么无论你从客户端读取任何东西（或者更准确地说：在您输出您的客户端的输入），你需要用xss_clean($_POST['sth'])