Critical
Security advisory
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-28503
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:11 UTC · Revision 1
Source evidence
The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.
osv:CVE-2020-28503
Complete source record
{
"id": "8f7d096ee28bc3096aa470b8bf93aca9ccd0cf63a940a18590722bb7c5c16bc9",
"url": "https://osv.dev/vulnerability/CVE-2020-28503",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-28503",
"summary": "The package copy-props before 2.0.5 are vulnerable to Prototype Pollution via the main functionality.",
"evidence": "osv:CVE-2020-28503",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2020-28503",
"aliases": [
"CVE-2020-28503",
"GHSA-897m-rjf5-jp39"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gulpjs/copy-props",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "40b7974f915a5e7ea80925eeedf0db16b8a4cbd6"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gulpjs:copy-props:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2.0.5"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"2.0.4",
"2.0.3",
"2.0.2",
"2.0.1",
"2.0.0",
"1.6.0",
"1.5.2",
"1.4.2",
"1.4.1",
"1.4.0",
"1.3.0",
"1.2.0",
"1.1.0",
"1.0.2",
"1.0.1",
"1.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-28503.json"
}
}
],
"modified": "2026-10-20T10:53:05.551369591Z",
"provider": "osv",
"references": [
"https://github.com/gulpjs/copy-props/pull/7",
"https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1088047",
"https://snyk.io/vuln/SNYK-JS-COPYPROPS-1082870"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-28503",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384190,
"published_at": "2021-03-23T10:15:13.27+00:00"
}