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首页搜索栏XSS漏洞
Payload：<script>alert("xss")</script>
疑是漏洞源码位置：
website/application/views/v2/search.php
Line 31 in de8d044
9.3~9.5版本手册全文检索查找不到结果
问题
9.3~9.5版本手册全文检索查找不到结果
原因
9.3~9.6版本的手册是HTML格式，不是well-formed XML（PG10以后是well-formed XML格式）。调用loadXML导入会失败，导致插入到数据库中得到记录不完整，没有提取到keywords。
$doc = new DOMDocument();
$content = file_get_contents('/var/www/html/docs/9.6/btree-gist.html');
$doc->loadXML($content);
/var/www/html/application/logs/log-2020-10-04.php
ERROR - 2020-10-04 02:04:48 --> Severity: Warning --> DOMDocument::loadXML(): Opening and ending tag mismatch: META line 27 and HEAD in Entity, line: 30 /var/www/html/application/controllers/v2/doc_search.php 113
/var/www/html/docs/9.6/btree-gist.html:27
CONTENT="text/html; charset=utf-8"><META
NAME="creation"
CONTENT="2020-10-03T18:03:22"></HEAD
注: 奇怪的是，以前9.3~9.6创建索引是成功的，最近更新索引失败了。怀疑虚机环境发生过变更，以前loadXML()检查不严格，现在严格了。
对策
建议修改html加载方式
/var/www/html/application/controllers/v2/doc_search.php
$doc->loadXML($content);
==>
$doc->loadHTML($content);
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