{"id":"CVE-2025-3197","state":"PUBLISHED","title":"Versions of the package expand-object from 0.0.0 are vulnerable to Prototype Pollution in the expand() function in index.js. This function expands the given string into an object a","description":"Versions of the package expand-object from 0.0.0 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__.","publishedAt":"2025-04-04T05:00:09.872Z","updatedAt":"2025-04-04T14:17:14.575Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"snyk"},"assigner":"snyk","products":["n/a expand-object"],"affected":[{"vendor":"n/a","product":"expand-object","versions":[{"version":"0.0.0","status":"affected","lessThan":"*","versionType":"semver"}]}],"references":["https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390","https://gist.github.com/miguelafmonteiro/d8f66af61d14e06338b688f90c4dfa7c","https://github.com/jonschlinkert/expand-object/blob/master/index.js%23L13"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3197.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-3197","state":"PUBLISHED","datePublished":"2025-04-04T05:00:09.872Z","dateUpdated":"2025-04-04T14:17:14.575Z","assignerShortName":"snyk","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateReserved":"2025-04-03T11:09:12.579Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Versions of the package expand-object from 0.0.0 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__."}],"affected":[{"vendor":"n/a","product":"expand-object","versions":[{"version":"0.0.0","status":"affected","lessThan":"*","versionType":"semver"}]}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390"},{"url":"https://gist.github.com/miguelafmonteiro/d8f66af61d14e06338b688f90c4dfa7c"},{"url":"https://github.com/jonschlinkert/expand-object/blob/master/index.js%23L13"}],"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","exploitCodeMaturity":"NOT_DEFINED","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"LOW","baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},"cvssV4_0":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1321","description":"Prototype Pollution","lang":"en"}]}],"providerMetadata":{"shortName":"snyk","orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateUpdated":"2025-04-04T05:00:09.872Z"},"credits":[{"value":"Miguel Monteiro","lang":"en"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-EXPANDOBJECT-5821390","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-04T14:16:44.828206Z","id":"CVE-2025-3197","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1321","type":"CWE","lang":"en","description":"CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-04T14:17:14.575Z"}}]}}}