GHSA-q4j7-v27r-fgcx

Source

https://github.com/advisories/GHSA-q4j7-v27r-fgcx

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-q4j7-v27r-fgcx/GHSA-q4j7-v27r-fgcx.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-q4j7-v27r-fgcx

Aliases

CVE-2021-23543

Published

2022-01-13T15:00:36Z

Modified

2026-03-13T21:57:01.858728Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator

Summary

Prototype Pollution in realms-shim

Details

All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.

Database specific

{
    "github_reviewed_at": "2022-01-11T18:13:17Z",
    "nvd_published_at": "2022-01-10T14:10:00Z",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-1321"
    ],
    "severity": "CRITICAL"
}

References

Affected packages

npm / realms-shim

Package

Name: realms-shim; View open source insights on deps.dev
Purl: pkg:npm/realms-shim

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Last affected

1.2.2

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/01/GHSA-q4j7-v27r-fgcx/GHSA-q4j7-v27r-fgcx.json"