fastjson反序列化 html
时间: 2023-09-09 12:09:23 浏览: 96
Fastjson是一个开源的JSON解析库,可以将JSON字符串转换成Java对象。反序列化是将JSON字符串还原成对象的过程。Fastjson的反序列化过程中,会自动调用类属性的setter/getter方法,将JSON字符串还原成对象。然而,Fastjson的autotype功能存在漏洞,可以被利用来执行任意代码,包括执行HTML代码。因此,在使用Fastjson进行反序列化时,需要注意对输入数据进行严格的验证和过滤,以防止安全漏洞的利用。要防止反序列化HTML代码的执行,可以对反序列化结果进行进一步的处理,例如对字符串进行转义或者过滤,以确保只解析出需要的数据,而不执行HTML代码。在Fastjson中,可以使用JSON.parse()、JSON.parseObject()等方法进行反序列化操作,需要根据具体的情况选择合适的方法和参数进行使用。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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