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
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702
https://github.com/timdown/rangy/issues/478
Source: Mitre, NVD
Published: 2023-02-24
Updated: 2026-06-17
Base Score: 8.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:C
Severity: High
Base Score: 8.2
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS: 0.00195