{"id":"CVE-2025-57329","aliases":["EUVD-2025-31063","GHSA-2j4c-9qqq-896r"],"status":"published","title":"web3-core-method is vulnerable to prototype pollution","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00392,"percentile":0.33739,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2025-09-24T00:00:00Z","modified":"2026-06-17T09:43:02Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"web3-core-method","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.10.3"}]}]},{"source":"osv","ecosystem":"npm","package":"web3-core-method","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.10.3"}]}]}],"products":[{"vendor":"web3js","product":"web3-core-method"}],"references":[{"url":"https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/web3-core-method%401.10.4/index.js","tags":["Broken Link","web"]},{"url":"https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57329","tags":["Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57329","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-2j4c-9qqq-896r"},{"url":"https://github.com/web3/web3.js/tree/1.x","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-57329","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","status":"published","published":"2025-09-24T00:00:00Z","modified":"2025-09-26T17:58:39.286Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:32:34.773122Z"}],"euvd":[{"id":"EUVD-2025-31063","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","status":"published","published":"2025-09-24T00:00:00Z","modified":"2025-09-26T17:58:39Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T20:31:39.009822Z"}],"ghsa":[{"id":"GHSA-2j4c-9qqq-896r","title":"web3-core-method is vulnerable to prototype pollution","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","status":"published","published":"2025-09-24T21:30:37Z","modified":"2025-09-26T12:55:47Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:38:58.965005Z"}],"nvd":[{"id":"CVE-2025-57329","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","status":"published","published":"2025-09-24T20:15:32.68Z","modified":"2026-06-17T09:43:02.627Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:11:32.559087Z"}],"osv":[{"id":"GHSA-2j4c-9qqq-896r","title":"web3-core-method is vulnerable to prototype pollution","description":"web3-core-method is a package designed to creates the methods on the web3 modules. A Prototype Pollution vulnerability in the attachToObject function of web3-core-method version 1.10.4 and before allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.","status":"published","published":"2025-09-24T21:30:37Z","modified":"2025-09-26T13:27:21.954183Z","cvss":[{"version":"4.0","score":2.9,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","level":"low"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:34.338541Z"}]}}