{"cve":"CVE-2021-23682","nvd":{"published":"2022-02-16T17:15:10.713","modified":"2026-06-17T03:38:51.670","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-1321"],"references":["https://github.com/appwrite/appwrite/pull/2778","https://github.com/appwrite/appwrite/releases/tag/0.11.1","https://github.com/appwrite/appwrite/releases/tag/0.12.2","https://github.com/litespeed-js/litespeed.js/pull/18","https://snyk.io/vuln/SNYK-JS-LITESPEEDJS-2359250"],"products":["appwrite:appwrite","litespeed.js_project:litespeed.js"],"source":"nvd","synced_at":"2026-10-19T21:28:04.509275555+00:00"},"epss":{"cve":"CVE-2021-23682","score":0.02117,"percentile":0.81849,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v9p9-535w-4285","url":"https://osv.dev/vulnerability/GHSA-v9p9-535w-4285","summary":"Prototype Pollution in litespeed.js and appwrite/server-ce","modified":"2025-01-14T09:12:19.179146Z","packages":[{"ecosystem":"npm","name":"litespeed.js","purl":"pkg:npm/litespeed.js","ranges":["<0.3.12"],"fixed":["0.3.12"]},{"ecosystem":"Packagist","name":"appwrite/server-ce","purl":"pkg:composer/appwrite/server-ce","ranges":[">=0.12.0 <0.12.2"],"fixed":["0.12.2"]},{"ecosystem":"Packagist","name":"appwrite/server-ce","purl":"pkg:composer/appwrite/server-ce","ranges":["<0.11.1"],"fixed":["0.11.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}