章节3:XXE漏洞-下

章节3:XXE漏洞-下

04 XXE 防御

https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=23_5

PHP

libxml_disable_entity_loader(true);

Java

DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setExpandEntityReferences(false);

Python

from lxml import etree
xmlData = etree.parse(xmlSource,etree.XMLParser(resolve_entities=False))

过滤用户提交的XML数据

"

‘’(two apostrophe)

“”

<

>

]]>

]]>>

/–>

–>

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