{"id":"CVE-2025-3197","aliases":[],"url":"https://o3.security/vulnerability/CVE-2025-3197","summary":"expand-object Vulnerable to Prototype Pollution via the expand() Function","details":"Versions of the package expand-object from 0.0.0 to 0.4.2 are vulnerable to Prototype Pollution in the expand() function in index.js. This function expands the given string into an object and allows a nested property to be set without checking the provided keys for sensitive properties like __proto__.","published":"2025-04-04T06:34:23Z","modified":"2025-04-04T19:27:20.379263Z","cvss":{"score":7.3,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"expand-object","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-3197"},{"type":"WEB","url":"https://gist.github.com/miguelafmonteiro/d8f66af61d14e06338b688f90c4dfa7c"},{"type":"PACKAGE","url":"https://github.com/jonschlinkert/expand-object"},{"type":"WEB","url":"https://github.com/jonschlinkert/expand-object/blob/master/index.js#L13"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2025-04-04T19:27:20.379263Z"}}