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CVE-2020-8116Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add…
- 7.3HighCVSS base score
- 3.1%Exploitation in 30 daysEPSS · top 12% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Prototype pollution vulnerability in dot-prop npm package versions before 4.2.1 and versions 5.x before 5.1.1 allows an attacker to add arbitrary properties to JavaScript language constructs such as objects.
Timeline
ID reserved
By hackerone
- 7 days later
· 7 days later
Published
- 5 years later
· 5 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (14 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.3.
Affected products
dot-prop
- affected before 4.2.1
- affected 5.x before 5.1.1
- affected Fixed in 5.1.1
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmdot-propGHSA-ff7x-qrg7-qggm (opens in a new tab)
References
References4
- https://hackerone.com/reports/719856 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/sindresorhus/dot-prop/tree/v4 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/advisories/GHSA-ff7x-qrg7-qggm (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/sindresorhus/dot-prop/issues/63 (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)
- EUVD EUVD-2020-0554 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-ff7x-qrg7-qggm (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-8116)Record last updated .