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CVE-2020-7608
yargs-parser could be tricked into adding or modifying properties of Object.prototype using a "__proto__" payload.
Medium5.3EPSS 0.51%
- Published
- Updated
- Reserved
- Assigned by
- snyk
Description
yargs-parser could be tricked into adding or modifying properties of Object.prototype using a "__proto__" payload.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 0.51% · top 56% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
- Prototype Pollution
- CWE-1321 (opens in a new tab)All about CWE-1321 and its CVEs
Affected products
yargs-parser
- affected All versions prior to version 18.1.1 and patches at 13.1.2 and 15.0.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmyargs-parserGHSA-p9pc-299p-vxgp (opens in a new tab)
References (1)
- https://snyk.io/vuln/SNYK-JS-YARGSPARSER-560381 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-p9pc-299p-vxgp (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2020-7608)Record last updated .