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Discuz! System Error您当前的访问请求当中含有非法字符，已经被系统拒绝PHP Debug[Line: 0022]search.php(discuz_application->init)[Line: 0071]source/class/discuz/discuz_application.php(discuz_application->_init_misc)[Line: 0552]source/class/discuz/discuz_application.php(discuz_application->_xss_check)[Line: 0370]source/class/discuz/discuz_application.php(system_error)[Line: 0023]source/function/function_core.php(discuz_error::system_error)[Line: 0024]source/class/discuz/discuz_error.php(discuz_error::debug_backtrace)
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; A0 e, a8 X$ Z2 @. I4 r解决办法：\source\class\discuz的discuz_application.php! v' O8 l/ \2 V' L4 U
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# H! s9 ~. W @& l private function _xss_check() {$ H/ S+ [# L* u+ I
2 t% B6 ^4 V2 o4 S, |( c9 I static $check = array('"', '>', '<', '\'', '(', ')', 'CONTENT-TRANSFER-ENCODING');- V* W, b* d6 D2 }+ {
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if(isset($_GET['formhash']) && $_GET['formhash'] !== formhash()) {
5 J7 `; I' I h system_error('request_tainting');
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8 A! A4 b M) Y9 x" }- U* d h' q if($_SERVER['REQUEST_METHOD'] == 'GET' ) {
6 L! @9 y9 U( O- H+ @ i6 ^8 Z" y' T $temp = $_SERVER['REQUEST_URI'];1 c- M$ `# ]5 c& v
} elseif(empty ($_GET['formhash'])) {
) R1 Z! \5 q4 M; g $temp = $_SERVER['REQUEST_URI'].file_get_contents('php://input');$ O) W7 Y+ d0 U( w6 s7 f5 y
} else {* I3 X3 ~1 O: U! o6 m
$temp = '';
% w( P+ G1 |. \) E9 T) F8 M% K }
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if(!empty($temp)) {
# b G5 g# c9 j" h7 e6 I $temp = strtoupper(urldecode(urldecode($temp))); Q- s: E7 }5 K Z
foreach ($check as $str) {& b6 g$ i4 C/ Z$ z
if(strpos($temp, $str) !== false) {7 C! C5 I- @& D( B
system_error('request_tainting');% Q9 n$ I3 b3 v
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' h Y/ {2 J1 Q/ R9 o' S/ b return true;. ]- N/ Q* R3 A, R7 w
}
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替换为：
/ h# y: c- T5 H5 X7 G% ^ private function _xss_check() {# M% Q6 b4 @5 w1 S- B/ u' c' w+ i
$temp = strtoupper(urldecode(urldecode($_SERVER['REQUEST_URI']))); ^$ E4 e V) p: p1 T
if(strpos($temp, '<') !== false || strpos($temp, '"') !== false || strpos($temp, 'CONTENT-TRANSFER-ENCODING') !== false) {& V% k3 K* F/ @! h
system_error('request_tainting');8 P( @/ q, X) g3 Q4 N$ q* h3 F
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return true;6 E. b/ _/ I+ K: H9 a
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发表于 2020-5-7 17:00:00