{"id":"CVE-2023-26102","aliases":["EUVD-2023-0637","GHSA-65rp-mhqf-8gj3"],"status":"published","title":"rangy vulnerable to Prototype Pollution","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype","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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00766,"percentile":0.55989,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1321"],"published":"2023-02-24T05:00:01Z","modified":"2026-06-17T05:42:40Z","affected":[{"source":"ghsa","ecosystem":"npm","package":"rangy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3.1"}]}]},{"source":"osv","ecosystem":"npm","package":"rangy","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"1.3.1"}]}]}],"products":[{"vendor":"rangy_project","product":"rangy"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://github.com/timdown/rangy/issues/478","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-26102","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-65rp-mhqf-8gj3"},{"url":"https://github.com/timdown/rangy","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-26102","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype\r\r","status":"published","published":"2023-02-24T05:00:01.144Z","modified":"2025-03-11T15:52:25.411Z","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":"cna"}],"cwes":["CWE-1321","CWE-1321"],"updated_at":"2026-11-02T14:35:15.434947Z"}],"euvd":[{"id":"EUVD-2023-0637","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype\r\r","status":"published","published":"2023-02-24T05:00:01Z","modified":"2025-03-11T15:52:25Z","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":"2026-11-02T20:53:07.365753Z"}],"ghsa":[{"id":"GHSA-65rp-mhqf-8gj3","title":"rangy vulnerable to Prototype Pollution","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the `extend()` function in file `rangy-core.js`.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype.","status":"published","published":"2023-02-24T06:30:16Z","modified":"2023-03-03T00:12:20Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:36:46.526285Z"}],"nvd":[{"id":"CVE-2023-26102","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the extend() function in file rangy-core.js.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype\r\r","status":"published","published":"2023-02-24T05:15:15.14Z","modified":"2026-06-17T05:42:40.88Z","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"},{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T14:07:47.623983Z"}],"osv":[{"id":"GHSA-65rp-mhqf-8gj3","title":"rangy vulnerable to Prototype Pollution","description":"All versions of the package rangy are vulnerable to Prototype Pollution when using the `extend()` function in file `rangy-core.js`.The function uses recursive merge which can lead an attacker to modify properties of the Object.prototype.","status":"published","published":"2023-02-24T06:30:16Z","modified":"2023-11-08T04:11:57.652176Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-1321"],"updated_at":"2026-11-02T15:46:39.266402Z"}]}}