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Critical

ToUI allows user-specific variables to be shared between users

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-33175
Confirmed fixed CVEs
Not specified
Updated in this feed
5 Nov 2026, 18:16 UTC · Revision 1

Source evidence

ToUI allows user-specific variables to be shared between users

core-osv · Original source

Published 30 May 2023, 04:31 UTC

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.

osv:CVE-2023-33175
Complete source record
{
  "id": "2d5724b6004118e6528fc5b88e0c15ea5e39707b83c92a5f3cbe93f8e888930c",
  "url": "https://osv.dev/vulnerability/CVE-2023-33175",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ToUI allows user-specific variables to be shared between users",
    "summary": "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.",
    "evidence": "osv:CVE-2023-33175",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-33175",
      "aliases": [
        "CVE-2023-33175",
        "GHSA-hh7j-pg39-q563",
        "PYSEC-2026-555"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mubarakalmehairbi/toui",
              "type": "GIT",
              "events": [
                {
                  "introduced": "006e7d6938005bc6314251f15f63f210dfe291f3"
                },
                {
                  "fixed": "34fe685450c2e8e0784d44887fc3214d1bce6d30"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:toui_project:toui:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.0.1"
                      },
                      {
                        "last_affected": "2.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "34fe685450c2e8e0784d44887fc3214d1bce6d30"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v2.4.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.4.0",
            "v2.3.0",
            "v2.2.0",
            "v2.1.1",
            "v2.1.0",
            "v2.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-33175.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:45.083196797Z",
      "provider": "osv",
      "references": [
        "https://github.com/mubarakalmehairbi/ToUI/releases/tag/v2.4.1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33175.json",
        "https://github.com/mubarakalmehairbi/ToUI/security/advisories/GHSA-hh7j-pg39-q563",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-33175"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-914"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/33xxx/CVE-2023-33175.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-33175",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 512639,
  "published_at": "2023-05-30T04:31:36.503+00:00"
}