Orangescrum 1.8.0 privilege escalation (authenticated) Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2021-11-29 | Type : webapps | Platform : multiple
This exploit / vulnerability Orangescrum 1.8.0 privilege escalation (authenticated) is for educational purposes only and if it is used you will do on your own risk!

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# Exploit Title: orangescrum 1.8.0 - Privilege escalation (Authenticated)
# Date: 07/10/2021
# Exploit Author: Hubert Wojciechowski
# Contact Author: snup.php@gmail.com
# Company: https://redteam.pl
# Vendor Homepage: https://www.orangescrum.org/
# Software Link: https://www.orangescrum.org/
# Version: 1.8.0
# Tested on: Windows 10 using XAMPP, Apache/2.4.48 (Win64) OpenSSL/1.1.1l PHP/7.4.23

### Privilege escalation


# The user must be assigned to the project with the account he wants to take over
# The vulnerabilities in the application allow for:

* Taking over any account with which the project is assigned

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# POC
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## Example

1. Go to the dashboard
2. Go to the page source view
3. Find in source "var PUSERS"
4. Copy "uniq_id" victim
5. Change cookie "USER_UNIQ" to "USER_UNIQ" victim from page source
6. After refreshing the page, you are logged in to the victim's account