CVE-2023-33175: Toui Project Toui

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

ToUI is a Python package for creating user interfaces (websites and desktop apps) from HTML. ToUI is using Flask-Caching (SimpleCache) to store user variables. Websites that use `Website.user_vars` property. It affects versions 2.0.1 to 2.4.0. This issue has been patched in version 2.4.1.

Affected products

• Toui Project Toui: from 2.0.1, up to and including 2.4.0

Published 2023-05-30. Last modified 2026-06-17.