Security advisory

{
  "id": "2a2d65abb4839d8bd9ca1728f8f8a2d01b1223873ed7baae3741086d563b5b3f",
  "url": "https://osv.dev/vulnerability/CVE-2021-23682",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23682",
    "summary": "This affects the package litespeed.js before 0.3.12; the package appwrite/server-ce from 0.12.0 and before 0.12.2, before 0.11.1. When parsing the query string in the getJsonFromUrl function, the key that is set in the result object is not properly sanitized leading to a Prototype Pollution vulnerability.",
    "evidence": "osv:CVE-2021-23682",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2021-23682",
      "aliases": [
        "CVE-2021-23682",
        "GHSA-v9p9-535w-4285"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/appwrite/appwrite",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "3c399b158ae2a785869ac9dfa059b53dba651da1"
                },
                {
                  "introduced": "1a0f740459fde58dc41112861f47bc06d1ae5c4c"
                },
                {
                  "fixed": "4de45b71421756e22a9672add45580f60acb2907"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.11.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:appwrite:appwrite:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.12.0"
                      },
                      {
                        "fixed": "0.12.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "3c399b158ae2a785869ac9dfa059b53dba651da1"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "0.11.1"
                  },
                  {
                    "range": [
                      {
                        "fixed": "4de45b71421756e22a9672add45580f60acb2907"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "0.12.2"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.12.1",
            "0.12.0",
            "0.10.4",
            "0.10.3",
            "0.10.2",
            "0.10.1",
            "0.10.0",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.9",
            "0.8.0",
            "0.7.2",
            "0.7.1",
            "0.7.0",
            "0.6.2",
            "0.6.0",
            "0.5.3",
            "0.5.2",
            "0.5.1",
            "0.5.0",
            "0.4.0",
            "0.3.0",
            "0.2.0",
            "0.1.15",
            "0.1.13"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23682.json"
          }
        }
      ],
      "modified": "2026-10-24T10:50:28.832251137Z",
      "provider": "osv",
      "references": [
        "https://github.com/appwrite/appwrite/releases/tag/0.11.1",
        "https://github.com/appwrite/appwrite/releases/tag/0.12.2",
        "https://github.com/appwrite/appwrite/pull/2778",
        "https://github.com/litespeed-js/litespeed.js/pull/18",
        "https://snyk.io/vuln/SNYK-JS-LITESPEEDJS-2359250",
        "https://snyk.io/vuln/SNYK-PHP-APPWRITESERVERCE-2401820"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:litespeed.js_project:litespeed.js:*:*:*:*:*:node.js:*:*"
            ],
            "vendor_product": "litespeed.js_project:litespeed.js",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "0.3.12"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2021-23682",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 442209,
  "published_at": "2022-02-16T17:15:10.713+00:00"
}