{"id":"CVE-2021-20084","details":"Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in jquery-sparkle 1.5.2-beta allows a malicious user to inject properties into Object.prototype.","modified":"2026-03-14T10:37:52.701087Z","published":"2021-04-23T18:15:08.037Z","references":[{"type":"EVIDENCE","url":"https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-sparkle.md"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/bevry-archive/jquery-sparkle","events":[{"introduced":"0"},{"last_affected":"66faea7f1a4c75365c72ae228f254fb9e42f6c86"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.5.2-beta"}]}}],"versions":["v1.2.0-beta","v1.3.0-beta","v1.4.0-beta","v1.4.1-beta","v1.4.10-beta","v1.4.11-beta","v1.4.12-beta","v1.4.13-final","v1.4.14-final","v1.4.15-final","v1.4.16-final","v1.4.17-final","v1.4.18-final","v1.4.4-beta","v1.4.5-beta","v1.4.6-beta","v1.4.7-beta","v1.4.8-beta","v1.4.9-beta","v1.5.0-beta","v1.5.1-beta","v1.5.2-beta"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20084.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}