CVE-2019-14748 but the file is downloaded and open locally – can it be used for XSS?

I’m testing CVE-2019-14748 on an example.com with osTicket. I’ve uploaded a test.html with the basic <script> and <img> XSS payloads which run when a user opens test.html. However, in Firefox, when I click on the test.html file… Continue reading CVE-2019-14748 but the file is downloaded and open locally – can it be used for XSS?

Uploading sensitive data, Should I user memoryStorage (buffer) or save and delete file?

I need to save very sensitive data from an Excelfile that the user uploads. The data will then be saved to mySQL. All is done in Node.js.
Now I wonder what is the most secure way to upload the file.
Should I use Multer (https://expressjs.c… Continue reading Uploading sensitive data, Should I user memoryStorage (buffer) or save and delete file?