RemoteClinic 2.0 - 'Multiple' Stored Cross-Site Scripting (XSS)

# Exploit Title: RemoteClinic 2.0 - 'Multiple' Stored Cross-Site Scripting (XSS)
# Date: 13/04/2021
# Exploit Author: Saud Ahmad
# Vendor Homepage: https://remoteclinic.io/
# Software Link: https://github.com/remoteclinic/RemoteClinic
# Version: 2.0
# Tested on: Windows 10
# CVE : CVE-2021-30030, CVE-2021-30034, CVE-2021-30039, CVE-2021-30042, CVE-2021-31329

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Register a Patient with Full Name Field as XSS Payload: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
3)After Register Patient, go to "Patients" endpoint.
4)XSS Executed.

For Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/1

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Register a Patient.
3)After Register Patient, a page redirect to Register Report Page. 
4)Here is "Symptoms" Field as XSS Payload: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
4)After Register Report, Click on home which is "dashboard" endpoint.
5)XSS Executed.

For Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/5

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Register a Patient.
3)After Register Patient, a page redirect to Register Report Page. 
4)When you scroll down page two fields there "Fever" and "Blood Pressure", both are vulnerable to XSS, inject XSS Payload in both Fields: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
4)After Register Report, Click on home.
5)Now Click on Report, XSS Executed.

For Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/8

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Register a New Clinic.
3)Here is four fields "Clinic Name", "Clinic Address", "Clinic City" and "Clinic Contact". All are vulnerable to XSS. 
4)Inject XSS Payload in all Fields: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
4)Now go to Clinic Directory.
5)Click on that Clinic.
6)XSS Executed.

For Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/11

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Create a New Medicine.
3)Medicine Name Field is Vulnerable to XSS, inject with XSS Payload: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
4)But there is client side validation on maxlength but not on server side. 
4)Change maxlength 30 to 100.
5)Click on Register.
6)Now Click on Show All which is /medicines/ endpoint.
7)XSS Executed.

Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/14

#Steps to Reproduce:

1)Login in Application as Doctor.
2)Create a New Staff Member.
3)Here is Chat Field and Personal Address Field are Vulnerable to XSS, inject with XSS Payload: XSS"><img src=x onerror=alert(`XSS-BY-Saud-Ahmad`)>
4)Profile Created.
5)Signout.
6)Now login with that staff member which Chat field and Personal Address field consist of XSS Payload.
7)After Login, go to my profile.
8)XSS Executed.

Detail POC: https://github.com/remoteclinic/RemoteClinic/issues/16