This app does not have any security problems, because in fact you can edit offline, so there is not a possibility of having security problems.

But:

• If you think something is unsecure
• You think some keys were leaked
• Or anything that seems off about the security:

you can follow these steps:

• Write a report here: https://github.com/mostypc123/XediX/security/advisories?state=Triage
• Assing me using @ to get attention.
• If you can, fix it with a pull request.