{"id":"CVE-2021-23507","aliases":["GHSA-h6pr-c536-6rjg","SNYK-JS-OBJECTPATHSET-2388576"],"url":"https://o3.security/vulnerability/CVE-2021-23507","summary":"Prototype Pollution in object-path-set","details":"The package object-path-set before 1.0.2 are vulnerable to Prototype Pollution via the setPath method, as it allows an attacker to merge object prototypes into it. *Note:* This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-OBJECTPATHSET-607908","published":"2022-02-04T20:15:08.467Z","modified":"2026-07-09T14:44:00.283895Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.02125,"percentile":0.80157,"asOf":"2026-08-08"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"object-path-set","fixedVersion":"1.0.2"}],"fix":{"url":"https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761","label":"skratchdot/object-path-set@2d67a71"},"references":[{"type":"WEB","url":"https://github.com/skratchdot/object-path-set/blob/577f5299fed15bb9edd11c940ff3cf0b9f4748d5/index.js%23L8"},{"type":"ADVISORY","url":"https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/"},{"type":"FIX","url":"https://github.com/skratchdot/object-path-set/commit/2d67a714159c4099589b6661fa84e6d2adc31761"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-OBJECTPATHSET-2388576"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T14:44:00.283895Z"}}