CVE-2023-33175

highpriority · track · 30EPSS 0.007 · 51 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.66% (51st) EPSS

CVSS 7.5 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.9–9.1

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · ENISA EU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · security-advisories@github.comexploitability 3.9 · impact 5.2

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nsecondary · OSV

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-913USprimaryCWE-913USCWE-914USCWE-914US

affected products (3)

Products and version ranges known to be affected.

mubarakalmehairbi ToUI2.0.1, → 2.4.1enisa_euvdEU
toui project toui2.0.1 → 2.4.0nvdUScpe:2.3:a:toui_project:toui:*:*:*:*:*:*:*:*
PyPI toui2.0.1 → 2.4.1osvUSpkg:pypi/toui

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-hh7j-pg39-q563toui allows user-specific variables to be shared between users2023-05-24ghsa · osvUS
### Impact Websites that use `Website.user_vars` property in versions. ### Patches It affects versions v2.0.1 to v2.4.0. Please upgrade to v2.4.1 ### Workarounds Do not use `Website.user_vars` in websites when using versions v2.0.1 to v2.4.0. Also, do not use `Website.signin_user()` in version v2.4.0 only. ### Explanation ToUI is using Flask-Caching (SimpleCache) to store user variables. My misunderstanding was that these caches are stored in the client's browser, but it seems that these are stored in the server side.
PYSEC-2026-555toui allows user-specific variables to be shared between users2026-06-29vendor · osvUS
### Impact Websites that use `Website.user_vars` property in versions. ### Patches It affects versions v2.0.1 to v2.4.0. Please upgrade to v2.4.1 ### Workarounds Do not use `Website.user_vars` in websites when using versions v2.0.1 to v2.4.0. Also, do not use `Website.signin_user()` in version v2.4.0 only. ### Explanation ToUI is using Flask-Caching (SimpleCache) to store user variables. My misunderstanding was that these caches are stored in the client's browser, but it seems that these are stored in the server side.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2023-05-30modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

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