https://baozongwi.xyz/tags/xs-leak/Currently exploring Java security and internal network penetration, with CTFs as a hobby.Hugozh-cnhttps://baozongwi.xyz/p/backdoorctf-2025/Wed, 10 Dec 2025 22:49:38 +0800https://baozongwi.xyz/p/backdoorctf-2025/Go Touch Grass 一道 XS-Leak 的题目，就是利用懒加载来处理 from flask import Flask, request, make_response, render_template_string import os, base64, sys, threading, time, …