CVE-2023-33175: ToUI allows user-specific variables to be shared between users

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-30 · updated 2026-06-17
Weakness: CWE-914

Description

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

mubarakalmehairbi ToUI: from 2.0.1 through 2.4.0

References

https://github.com/mubarakalmehairbi/ToUI/releases/tag/v2.4.1
https://github.com/mubarakalmehairbi/ToUI/security/advisories/GHSA-hh7j-pg39-q563
https://github.com/mubarakalmehairbi/ToUI/releases/tag/v2.4.1
https://github.com/mubarakalmehairbi/ToUI/security/advisories/GHSA-hh7j-pg39-q563

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