Cross Site Script Vulnerability on "Page" in Monstra version 3.0.4

[r0ck3t1973]

Hii, Team Monstra!!!

Describe the bug
An authenticated malicious user can take advantage of a Stored XSS vulnerability in the "Page" feature.

To Reproduce
Steps to reproduce the behavior:

1. Login into the panel Monstra

2. Go to 'admin/index.php'

3. Click 'Create New' -> 'Page'

4. Insert Payload XSS:
   ">
   '><details/open/ontoggle=confirm("XSS")>
   // # "><svg/onload=prompt(1337)>
   <svg/on<script><script>load=alert(1337)//</script>

5. Save and Exit

6. Click 'Pages' new -> xss alert message!

Impact
Commonly include transmitting private data, like cookies or other session information, to the attacker, redirecting the victim to web content controlled by the attacker, or performing other malicious operations on the user’s machine under the guise of the vulnerable site.

Screenshots
Infor Monstra version:

Ex1 payload xss:
a. Creat new page:

b. click page:

c. xss alert mess:

Desktop (please complete the following information):
OS: Windows
Browser: All
Version:

I Hope you fix it ASAP!!!!

[r0ck3t1973]

Alternatively, I can insert the payload into the item 'Metada' and 'Setting'
Payload XSS: 'Metada'

Payload XSS: 'Setting'

[r0ck3t1973]

CVE-2020-23697