GHSA-6gp3-h3jj-prx4

Source

https://github.com/advisories/GHSA-6gp3-h3jj-prx4

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/04/GHSA-6gp3-h3jj-prx4/GHSA-6gp3-h3jj-prx4.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-6gp3-h3jj-prx4

Aliases

CVE-2020-7637
SNYK-JS-CLASSTRANSFORMER-564431

Published

2020-04-07T15:47:40Z

Modified

2026-07-08T06:49:53Z

Severity

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

Summary

Prototype pollution in class-transformer

Details

class-transformer through 0.2.3 is vulnerable to Prototype Pollution. The 'classToPlainFromExist' function could be tricked into adding or modifying properties of 'Object.prototype' using a 'proto' payload.

Database specific

{
    "cwe_ids":  [
        "CWE-1321",
        "CWE-915"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2020-04-07T15:46:31Z",
    "nvd_published_at":  "2020-04-06T13:15:00Z",
    "severity":  "MODERATE"
}

References

Affected packages

npm / class-transformer

Package

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

Affected ranges

Type: SEMVER
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0.3.1

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2020/04/GHSA-6gp3-h3jj-prx4/GHSA-6gp3-h3jj-prx4.json"