{"id":"CVE-2022-21189","aliases":["EUVD-2022-2258","GHSA-3xgx-r9j4-qw9w"],"status":"published","title":"Prototype Pollution","description":"The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0171,"percentile":0.77549,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2022-05-01T15:25:21Z","modified":"2026-11-11T02:30:22Z","fixes":[{"ecosystem":"npm","package":"dexie","fixed_in":["3.2.2","4.0.0-alpha.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"dexie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.2.2"}]}]},{"source":"ghsa","ecosystem":"npm","package":"dexie","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0-alpha.1"},{"last_affected":"4.0.0-alpha.2"},{"fixed":"4.0.0-alpha.3"}]}]},{"source":"osv","ecosystem":"npm","package":"dexie","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"3.2.2"}]}]},{"source":"osv","ecosystem":"npm","package":"dexie","ranges":[{"type":"SEMVER","events":[{"introduced":"4.0.0-alpha.1"},{"fixed":"4.0.0-alpha.3"}]}]}],"products":[{"vendor":"dexie","product":"dexie"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-DEXIE-2607042","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","advisory","web"]},{"url":"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2805308","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","advisory","web"]},{"url":"https://github.com/dexie/Dexie.js/blob/fe682ef24568278c3b31d9d6c93de095d4b77ae8/src/functions/utils.ts%23L134-L164","tags":["x_refsource_MISC","x_transferred","Broken Link","web"]},{"url":"https://github.com/dexie/Dexie.js/commit/1d655a69b9f28c3af6fae10cf5c61df387dc689b","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21189","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-3xgx-r9j4-qw9w"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21189.json","tags":["advisory"]},{"url":"https://github.com/dexie/Dexie.js","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-21189","title":"Prototype Pollution","description":"The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-01T15:25:21.478Z","modified":"2024-09-16T20:07:35.06Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-2258","description":"The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-01T15:25:21Z","modified":"2024-09-16T20:07:35Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high"}],"updated_at":"2026-11-03T00:55:16.813871Z"}],"ghsa":[{"id":"GHSA-3xgx-r9j4-qw9w","title":"Prototype Pollution in Dexie","description":"Dexie is a minimalistic wrapper for IndexedDB. The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-03T00:00:46Z","modified":"2023-02-01T05:00:56Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:30.61364Z"}],"nvd":[{"id":"CVE-2022-21189","description":"The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-01T16:15:08.137Z","modified":"2026-06-17T04:25:42.577Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:07:18.660414Z"}],"osv":[{"id":"CVE-2022-21189","title":"Prototype Pollution","description":"The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-01T15:25:21.478Z","modified":"2026-11-11T02:30:22.428974192Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P","level":"high"}],"updated_at":"2026-11-11T02:50:43.46164Z"},{"id":"GHSA-3xgx-r9j4-qw9w","title":"Prototype Pollution in Dexie","description":"Dexie is a minimalistic wrapper for IndexedDB. The package dexie before 3.2.2, from 4.0.0-alpha.1 and before 4.0.0-alpha.3 are vulnerable to Prototype Pollution in the Dexie.setByKeyPath(obj, keyPath, value) function which does not properly check the keys being set (like __proto__ or constructor). This can allow an attacker to add/modify properties of the Object.prototype leading to prototype pollution vulnerability. **Note:** This vulnerability can occur in multiple ways, for example when modifying a collection with untrusted user input.","status":"published","published":"2022-05-03T00:00:46Z","modified":"2025-01-14T10:26:58.953604Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:36.092962Z"}]}}