MediumFix available
node-xml2js — security advisory
xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.
- Products
- node-xml2js
- Affected versions
- Not specified
- Fixed versions
- 0.4.23+~cs15.4.0+dfsg-7
- CVEs
- CVE-2023-0842
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:21 UTC · Revision 1
Source evidence
xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.
osv:DEBIAN-CVE-2023-0842
node-xml2js
Fixed versions: 0.4.23+~cs15.4.0+dfsg-7
node-xml2js
Fixed versions: 0.4.23+~cs15.4.0+dfsg-7
node-xml2js
Fixed versions: 0.4.23+~cs15.4.0+dfsg-7
Complete source record
{
"id": "206c187bd3c5911102a0b8d96d1f4599b6c6f90a77da23c724ec1eb8007357e1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-0842",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-0842",
"summary": "xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited.",
"evidence": "osv:DEBIAN-CVE-2023-0842",
"products": [
{
"name": {
"value": "node-xml2js",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.4.23+~cs15.4.0+dfsg-7",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-xml2js",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.4.23+~cs15.4.0+dfsg-7",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-xml2js",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.4.23+~cs15.4.0+dfsg-7",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-0842",
"aliases": [
"DEBIAN-CVE-2023-0842"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.4.23+~cs15.4.0+dfsg-7"
}
]
}
],
"package": {
"name": "node-xml2js",
"purl": "pkg:deb/debian/node-xml2js?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-0842.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.4.23+~cs15.4.0+dfsg-7"
}
]
}
],
"package": {
"name": "node-xml2js",
"purl": "pkg:deb/debian/node-xml2js?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-0842.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.4.23+~cs15.4.0+dfsg-7"
}
]
}
],
"package": {
"name": "node-xml2js",
"purl": "pkg:deb/debian/node-xml2js?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-0842.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:00:17.555198235Z",
"provider": "osv",
"upstream": [
"CVE-2023-0842"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-0842"
]
},
"related_cves": [
{
"value": "CVE-2023-0842",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454953,
"published_at": "2023-04-05T20:15:07.493+00:00"
}