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
References (2)
Core 2
Core References
Exploit, Issue Tracking, Third Party Advisory
https://github.com/timdown/rangy/issues/478
Exploit, Third Party Advisory
https://security.snyk.io/vuln/SNYK-JS-RANGY-3175702
Scores
CVSS v3
7.5
EPSS
0.0077
EPSS Percentile
50.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1321
Status
published
Products (2)
npm/rangy
0npm
rangy_project/rangy
Published
Feb 24, 2023
Tracked Since
Feb 18, 2026