故障描述：
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退出登录时出现”您当前的访问请求当中含有非法字符，已经被系统拒绝“错误。
6 }1 s+ {. _; x( @$ S$ r( b解决方法：
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打开 sourceclassdiscuzdiscuz_application.php 文件
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找到
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private function _xss_check() {
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static $check = array('"', '>', '<', ''', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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7 H* {8 j# ~8 K1 @% D! b# q if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
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system_error('request_tainting');
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if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
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$temp = $_SERVER['REQUEST_URI'];
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} elseif(empty ($_GET['formhash'])) {
, _$ y; W: h! D/ f+ i) e; D2 Y+ K8 ^ $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');
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} else {
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$temp = '';
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if(!empty($temp)) {
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$temp = strtoupper(urldecode(urldecode($temp)));
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foreach ($check as $str) {
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if(strpos($temp, $str) !== false) {
6 f& p3 w* J$ z( k3 _) W system_error('request_tainting');
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}
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2 @3 D- A) N# b* ~2 } return true;
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8 r; y8 N, u1 ^+ m9 f7 u' f修改为
6 _3 Q" ^( X5 f' F* Y: h2 N Wprivate function _xss_check() {
" ?! _9 R! H0 ]0 y $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));
, F- k' ]$ ~. e/ n. a+ g if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
, q' C9 o! b e& q. g system_error('request_tainting');
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2 p$ O: j1 x! ~" q return true;
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}
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