tid=3528& 本帖最後由 IT_man 於 2015-3-23 16:27 編輯 ' e( F/ u' R! O- i& W: ]7 E% i
; {/ ]% z7 @3 T8 d: M" G ]: d遊客站內搜尋時出現 error message :
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/ a+ F9 j& A, T8 ?- B& H! ?% ?1 C\source\class\discuz的discuz_application.php 約第350行
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- private function _xss_check() {
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- static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');
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- if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {- G$ v' _. z0 n) n3 F
- system_error('request_tainting');
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1 w$ o- [/ X" ^" s$ [' \- if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
6 ~7 t& O) H& C" k) A P- ^ U2 ` - $temp = $_SERVER['REQUEST_URI'];
H- N4 A: Y. }8 p$ i+ S - } elseif(empty ($_GET['formhash'])) {
( g1 P/ a" K% e9 d3 y - $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');% `8 C8 y3 ?5 K4 E$ E2 X P0 I
- } else {
# p- l! u; T2 o& F" Q/ T; H - $temp = '';6 Q! C1 E2 Z6 I* S; a2 @- B, T( ^
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- if(!empty($temp)) {& ?) \+ E* A' v1 {" a4 T2 C0 E: ]
- $temp = strtoupper(urldecode(urldecode($temp)));
- O; m% Y" o2 `+ Y! [ R* |9 i - foreach ($check as $str) {; R" p6 L& Q9 v8 |0 i) D
- if(strpos($temp, $str) !== false) {9 b4 n, H6 `, v( z: H2 U
- system_error('request_tainting');
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- }
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2 y; H! @& l% L; q2 Y8 q: J% C4 A5 ~! w- return true;
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複製代碼 替换为:5 m/ g5 J$ U8 X& S% F3 R
6 V5 \3 Z) q) j" {' k- private function _xss_check() {
! v% [- \" X1 R: T6 C - $temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI'])));! P0 x# W- G; p* u( X# G, B# K* {+ H& H
- if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {
( B6 H# V8 h5 A' n4 O - system_error('request_tainting');6 n+ ~& M7 e- S7 n
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- return true;( p4 ?7 u6 a# I8 |* t1 T
- }
複製代碼
. i m4 M* _3 j" O: A# B# u后台更新缓存 ===>ok: z7 b: I% S: f& Q
但 有些 discuz代碼 內容在搜索結果內顯示,曝露在外,是不正常(會員搜索無此問題) ,研究中2 b3 a% x' P. W; F, P+ i
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