PeTeReport 0.5 - Stored XSS (Attack Tree)

Description

PeteReport Version 0.5 allows an authenticated admin user to inject persistent javascript code while adding an 'Attack Tree' by modifying the svg_file parameter.

Proof of Concept

Steps to reproduce

1. Create a new Report.

2. Create a new Finding for the Report.

3. Go to 'Reports' > 'All Reports'.

4. Click on 'View' in the last created record.

5. Go to 'Attack Trees'.

6. Click on 'Add Attack Tree'.

7. Select your Finding and click on 'Save and Finish'.

8. Intercept the request and insert javascript code inside the svg_file parameter.

    <script type="text/javascript">
    alert("XSS");
    </script>

9. If a user visits the attack tree the javascript code will be rendered.

System Information

• Version: PeteReport Version 0.5.

• Operating System: Docker.

• Web Server: nginx.

Exploit

There is no exploit for the vulnerability but can be manually exploited.

Mitigation

An updated version of PeteReport is available at the vendor page.

References

• Vendor page https://github.com/1modm/petereport

• Issue https://github.com/1modm/petereport/issues/36