CVE-2021-23543
CRITICALrealms-shim - Sandbox Bypass via Prototype Pollution
Title source: llmDescription
All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.
References (2)
Core 2
Core References
Product, Third Party Advisory x_refsource_misc
https://www.npmjs.com/package/realms-shim
Exploit, Third Party Advisory x_refsource_misc
https://snyk.io/vuln/SNYK-JS-REALMSSHIM-2309908
Scores
CVSS v3
9.8
EPSS
0.0176
EPSS Percentile
75.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-1321
Status
published
Products (2)
agoric/realms-shim
npm/realms-shim
0npm
Published
Jan 10, 2022
Tracked Since
Feb 18, 2026