{"id":"CVE-2022-25301","aliases":["EUVD-2022-4668","GHSA-p3pg-64pv-v7jg"],"status":"published","title":"Prototype Pollution","description":"All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype.","severity":{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01236,"percentile":0.69313,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2022-05-01T16:25:12Z","modified":"2026-06-17T04:33:21Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"jsgui-lang-essentials","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"0.4.3"}]}]},{"source":"osv","ecosystem":"npm","package":"jsgui-lang-essentials","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.4.3"}]}]}],"products":[{"vendor":"jsgui-lang-essentials_project","product":"jsgui-lang-essentials"}],"references":[{"url":"https://snyk.io/vuln/SNYK-JS-JSGUILANGESSENTIALS-2316897","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/metabench/jsgui-lang-essentials/issues/1","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-25301","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p3pg-64pv-v7jg"},{"url":"https://github.com/metabench/jsgui-lang-essentials","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-25301","title":"Prototype Pollution","description":"All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype.","status":"published","published":"2022-05-01T16:25:12.415Z","modified":"2024-09-17T04:04:16.972Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H/E:P","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:34:28.707644Z"}],"euvd":[{"id":"EUVD-2022-4668","description":"All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype.","status":"published","published":"2022-05-01T16:25:12Z","modified":"2024-09-17T04:04:16Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H/E:P","level":"high"}],"updated_at":"2026-11-03T00:28:26.235396Z"}],"ghsa":[{"id":"GHSA-p3pg-64pv-v7jg","title":"Prototype Pollution in jsgui-lang-essentials","description":"All versions of package `jsgui-lang-essentials` are vulnerable to Prototype Pollution due to allowing all `Object` attributes to be altered, including their magical attributes such as `proto`, `constructor` and `prototype`.","status":"published","published":"2022-05-03T00:00:44Z","modified":"2023-02-01T05:00:56Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:30.61364Z"}],"nvd":[{"id":"CVE-2022-25301","description":"All versions of package jsgui-lang-essentials are vulnerable to Prototype Pollution due to allowing all Object attributes to be altered, including their magical attributes such as proto, constructor and prototype.","status":"published","published":"2022-05-01T17:15:07.697Z","modified":"2026-06-17T04:33:21.07Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H","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":"GHSA-p3pg-64pv-v7jg","title":"Prototype Pollution in jsgui-lang-essentials","description":"All versions of package `jsgui-lang-essentials` are vulnerable to Prototype Pollution due to allowing all `Object` attributes to be altered, including their magical attributes such as `proto`, `constructor` and `prototype`.","status":"published","published":"2022-05-03T00:00:44Z","modified":"2023-11-08T04:08:45.619445Z","cvss":[{"version":"3.1","score":7.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:52.534897Z"}]}}