# Exploit Title: FusionInvoice 2023-1.0 - Stored XSS (Cross-Site Scripting) # Date: 2023-05-24 # Exploit Author: Andrea Intilangelo # Vendor Homepage: https://www.squarepiginteractive.com # Software Link: https://www.fusioninvoice.com/store # Version: 2023-1.0 # Tested on: Latest Version of Desktop Web Browsers (ATTOW: Firefox 113.0.1, Microsoft Edge 113.0.1774.50) # CVE: CVE-2023-25439 Description: A stored cross-site scripting (XSS) vulnerability in FusionInvoice 2023-1.0 (from Sqware Pig, LLC) allows attacker to execute arbitrary web scripts or HTML. Injecting persistent javascript code inside the title and/or description while creating a task/expense/project (and possibly others) it will be triggered once page gets loaded. Steps to reproduce: - Click on "Expenses", or "Tasks" and add (or edit an existing) one, - Insert a payload PoC inside a field, in example in the "Phone number" (or "Description"), - Click on 'Save'. Visiting the website dashboard, as well as the customer or project summary page, the javascript code will be executed. Timeline: 2023-01-29: Vulnerability discovered 2023-01-29: Vendor contacted 2023-02-01: No reply, vendor contacted for 2nd time 2023-02-02: Request for CVE reservation 2023-04-25: Assigned CVE number CVE-2023-25439 2023-04-27: No reply, vendor contacted for 3rd time 2023-05-15: No reply, vendor contacted for last time 2023-05-24: Public disclosure PoC Screenshots: https://imagebin.ca/v/7FOZfztkDs3I
