{"id":"GHSA-hxcm-v35h-mg2x","aliases":[],"status":"published","title":"Prototype Pollution in querystringify","description":"A vulnerability was found in querystringify before 2.0.0. It's possible to override built-in properties of the resulting query string object if a malicious string is inserted in the query string.","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-1321"],"published":"2019-06-07T21:12:50Z","modified":"2023-11-29T22:16:45Z","fixes":[{"ecosystem":"npm","package":"querystringify","fixed_in":["2.0.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"querystringify","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.0"}]}]},{"source":"osv","ecosystem":"npm","package":"querystringify","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.0"}]}]}],"references":[{"url":"https://github.com/unshiftio/querystringify/pull/19","tags":["web"]},{"url":"https://github.com/unshiftio/querystringify/commit/422eb4f6c7c28ee5f100dcc64177d3b68bb2b080","tags":["web"]},{"url":"https://github.com/advisories/GHSA-hxcm-v35h-mg2x"}],"sources":{"ghsa":[{"id":"GHSA-hxcm-v35h-mg2x","title":"Prototype Pollution in querystringify","description":"A vulnerability was found in querystringify before 2.0.0. It's possible to override built-in properties of the resulting query string object if a malicious string is inserted in the query string.","status":"published","published":"2019-06-07T21:12:50Z","modified":"2023-11-29T22:16:45Z","cwes":["CWE-1321"],"updated_at":"2026-11-02T14:37:23.843848Z"}],"osv":[{"id":"GHSA-hxcm-v35h-mg2x","title":"Prototype Pollution in querystringify","description":"A vulnerability was found in querystringify before 2.0.0. It's possible to override built-in properties of the resulting query string object if a malicious string is inserted in the query string.","status":"published","published":"2019-06-07T21:12:50Z","modified":"2023-11-29T22:16:43Z","cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:49.621585Z"}]}}