题目链接:https://adworld.xctf.org.cn/task/task_list?type=web&number=3&grade=0&page=1
在线post请求地址:https://www.sojson.com/http/test.html
<!DOCTYPEhtml>
<htmllang="en">
<head>
<metacharset="UTF-8">
<title>POST&GET</title>
<linkhref="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css"rel="stylesheet"/>
</head>
<body>
<h1>请用GET方式提交一个名为a,
值为1的变量</h1>
<h1>请再以POST方式随便提交一个名为b,
值为2的变量</h1><h1>cyberpeace{
35c90512b7c9505b5e1062daa1fa9549
}</h1>
</body>
</html>
得到flag:cyberpeace{35c90512b7c9505b5e1062daa1fa9549}