Description
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| snykCNA (assigner) | 3.1 | High7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.7% · top 23% of all CVEs (6 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.
Weakness
- Prototype Pollution
Affected products
copy-props
- affected unspecified – < 2.0.5
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- npmcopy-propsGHSA-897m-rjf5-jp39 (opens in a new tab)
References (3)
- https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870 (opens in a new tab)x_refsource_MISCx_transferred
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047 (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/gulpjs/copy-props/pull/7 (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-897m-rjf5-jp39 (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-2020-28503)Record last updated .