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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-43635

A Cross Site Scripting (XSS) vulnerability exists in Codex before 1.4.0 via Notebook/Page name field, which allows malicious users to execute arbitrary code via a crafted http code in a .json file.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-43635
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 11:22 UTC · Revision 1

Source evidence

CVE-2021-43635

core-osv · Original source

Published 4 Feb 2022, 18:15 UTC

A Cross Site Scripting (XSS) vulnerability exists in Codex before 1.4.0 via Notebook/Page name field, which allows malicious users to execute arbitrary code via a crafted http code in a .json file.

osv:CVE-2021-43635
Complete source record
{
  "id": "885027cdcac4bb32891c5285bbd1568665526e194d6a1f40cb79081d89b925fc",
  "url": "https://osv.dev/vulnerability/CVE-2021-43635",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-43635",
    "summary": "A Cross Site Scripting (XSS) vulnerability exists in Codex before 1.4.0 via Notebook/Page name field, which allows malicious users to execute arbitrary code via a crafted http code in a .json file.",
    "evidence": "osv:CVE-2021-43635",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-43635",
      "aliases": [
        "CVE-2021-43635"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jcv8000/codex",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "8e21f17f038d92a3245f18744b9bdc780c907403"
                },
                {
                  "fixed": "7f94eafb9647af75ad694eee60335fb8709da6e3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:codexnotes:codex:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.4.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "7f94eafb9647af75ad694eee60335fb8709da6e3"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "v1.4.1"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v1.3.1",
            "v1.3.0",
            "v1.2.2-signed",
            "v1.2.2",
            "v1.2.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-43635.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:09.021342289Z",
      "provider": "osv",
      "references": [
        "https://github.com/jcv8000/Codex/releases/tag/v1.4.1",
        "https://github.com/jcv8000/Codex",
        "https://github.com/jcv8000/Codex/issues/8"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-43635",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 384902,
  "published_at": "2022-02-04T18:15:07.287+00:00"
}