Cisco Digital Network Architecture Center 1.3.1.4 - Persistent Cross-Site Scripting

# Exploit Title: Cisco Digital Network Architecture Center 1.3.1.4 - Persistent Cross-Site Scripting 
# Date: 2020-04-16
# Exploit Author: Dylan Garnaud & Benoit Malaboeuf - Pentesters from Orange Cyberdefense France
# Vendor Homepage: https://www.cisco.com/c/en/us/products/cloud-systems-management/dna-center/index.html
# Version: Cisco DNA before 1.3.0.6 and 1.3.1.4
# Tested on: 1.3.0.2
# CVE : CVE-2019-15253
# Security advisory: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190205-dnac-xss


## 1 - Network Hierarchy
- Vulnerable parameter: Floor Name.
- Payload: ```<script>alert('XSS')</script>```  
- Details: There is no control or security mechanism on this field. Specials characters are not encoded or filtered.
- Privileges: It requires admin or customer account.
- Location: Design -> Network Hirearchy -> Building -> Floor -> Field: "Floor name" .


## 2 - User Management
- Vulnerable parameters: First Name, Last Name .
- Payload: ```<script>alert('XSS')</script>```  
- Details: There is no control or security mechanism on this field. Specials characters are not encoded or filtered.
- Privileges: It requires admin account.
- Location: Settings -> Users -> User Management -> Fields: "First Name" or "Last Name".