{"id":"GHSA-529q-4j3p-7c5r","revision":"f9b0ba9fe18245e889a9ae94bf3460ed","records":[{"revision":"f9b0ba9fe18245e889a9ae94bf3460ed","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-529q-4j3p-7c5r","aliases":["CVE-2025-3193"],"title":"algoliasearch-helper is vulnerable to Prototype Pollution in _merge()","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.\n\nThis is related to but distinct from the issue reported in [CVE-2021-23433](https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-1570421).\n\n**NOTE:** This vulnerability is not exploitable in the default configuration of InstantSearch since searchParameters are not modifiable by users.","state":0,"publishedAt":"2025-09-27T06:30:52+00:00","modifiedAt":"2025-09-30T21:27:27.707214+00:00","affected":[{"ecosystem":"npm","name":"algoliasearch-helper","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"2.0.0-rc1"},{"kind":"fixed","version":"3.11.2"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2025-3193","https://github.com/algolia/algoliasearch-helper-js/issues/922","https://github.com/algolia/algoliasearch-helper-js/commit/776dff23c87b0902e554e02a8c2567d2580fe12a","https://github.com/algolia/algoliasearch-helper-js","https://security.snyk.io/vuln/SNYK-JS-ALGOLIASEARCHHELPER-3318396"],"sourceUrl":"https://github.com/advisories/GHSA-529q-4j3p-7c5r","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-529q-4j3p-7c5r","identifiers":["GHSA-529q-4j3p-7c5r","CVE-2025-3193"]},"retained":false,"historicalAffected":[]}],"coverage":[]}