{"id":"CVE-2025-3193","state":"PUBLISHED","title":"Versions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2 are vulnerable to Prototype Pollution in the _merge() function in merge.js, which allows constructor.p","description":"Versions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2 are vulnerable to Prototype Pollution in the _merge() function in merge.js, which allows constructor.prototype to be written even though doing so throws an error. In the \"extreme edge-case\" that the resulting error is caught, code injected into the user-supplied search parameter may be exeucted.\r\rThis is related to but distinct from the issue reported in [CVE-2021-23433](https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421).\r\r**NOTE:** This vulnerability is not exploitable in the default configuration of InstantSearch since searchParameters are not modifiable by users.","publishedAt":"2025-09-27T05:00:07.140Z","updatedAt":"2026-08-08T15:25:22.543Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"snyk"},"assigner":"snyk","products":["n/a algoliasearch-helper"],"affected":[{"vendor":"n/a","product":"algoliasearch-helper","versions":[{"version":"2.0.0-rc1","status":"affected","lessThan":"3.11.2","versionType":"semver"}]}],"references":["https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-3318396","https://github.com/algolia/algoliasearch-helper-js/issues/922","https://github.com/algolia/algoliasearch-helper-js/commit/776dff23c87b0902e554e02a8c2567d2580fe12a"],"weaknesses":["CWE-1321"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3193.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-3193","state":"PUBLISHED","datePublished":"2025-09-27T05:00:07.140Z","dateUpdated":"2026-08-08T15:25:22.543Z","assignerShortName":"snyk","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateReserved":"2025-04-03T10:26:27.920Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"Versions of the package algoliasearch-helper from 2.0.0-rc1 and before 3.11.2 are vulnerable to Prototype Pollution in the _merge() function in merge.js, which allows constructor.prototype to be written even though doing so throws an error. In the \"extreme edge-case\" that the resulting error is caught, code injected into the user-supplied search parameter may be exeucted.\r\rThis is related to but distinct from the issue reported in [CVE-2021-23433](https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421).\r\r**NOTE:** This vulnerability is not exploitable in the default configuration of InstantSearch since searchParameters are not modifiable by users."}],"affected":[{"vendor":"n/a","product":"algoliasearch-helper","versions":[{"version":"2.0.0-rc1","status":"affected","lessThan":"3.11.2","versionType":"semver"}]}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-3318396"},{"url":"https://github.com/algolia/algoliasearch-helper-js/issues/922"},{"url":"https://github.com/algolia/algoliasearch-helper-js/commit/776dff23c87b0902e554e02a8c2567d2580fe12a"}],"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","exploitCodeMaturity":"NOT_DEFINED","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1321","description":"Prototype Pollution","lang":"en"}]}],"providerMetadata":{"shortName":"snyk","orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","dateUpdated":"2026-08-08T15:25:22.543Z"},"credits":[{"value":"Yuhan Gao","lang":"en"},{"value":"Peng Zhou","lang":"en"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-29T13:34:39.990542Z","id":"CVE-2025-3193","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"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":"2025-09-29T13:35:56.851Z"}}]}}}