MediumFix available
node-nunjucks — security advisory
In Nunjucks versions prior to version 3.2.4, it was possible to bypass the restrictions which are provided by the autoescape functionality. If there are two user-controlled parameters on the same line used in the views, it was possible to inject cross site scripting payloads using the backslash \ character.
- Products
- node-nunjucks
- Affected versions
- 3.2.3+dfsg+~cs1.0.1-3, 3.2.4+~cs4.2.7-1, 3.2.4+~cs4.2.7-2, 3.2.4+~cs4.2.7-3, 3.2.4+~cs4.2.7-4
- Fixed versions
- 3.2.4+~cs4.2.7-1
- CVEs
- CVE-2023-2142
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 15:21 UTC · Revision 1
Source evidence
In Nunjucks versions prior to version 3.2.4, it was possible to bypass the restrictions which are provided by the autoescape functionality. If there are two user-controlled parameters on the same line used in the views, it was possible to inject cross site scripting payloads using the backslash \ character.
osv:DEBIAN-CVE-2023-2142
node-nunjucks
Fixed versions: Not specified
node-nunjucks
Fixed versions: 3.2.4+~cs4.2.7-1
node-nunjucks
Fixed versions: 3.2.4+~cs4.2.7-1
Complete source record
{
"id": "4409c76d90dd9ffe56a823b2029d5898fac0c4628d21e65562a44d1fab76ade2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2023-2142",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2023-2142",
"summary": "In Nunjucks versions prior to version 3.2.4, it was possible to bypass the restrictions which are provided by the autoescape functionality. If there are two user-controlled parameters on the same line used in the views, it was possible to inject cross site scripting payloads using the backslash \\ character.",
"evidence": "osv:DEBIAN-CVE-2023-2142",
"products": [
{
"name": {
"value": "node-nunjucks",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3.2.3+dfsg+~cs1.0.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.4+~cs4.2.7-1",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.4+~cs4.2.7-2",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.4+~cs4.2.7-3",
"evidence": "/affected/0/versions"
},
{
"value": "3.2.4+~cs4.2.7-4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "node-nunjucks",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.2.4+~cs4.2.7-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "node-nunjucks",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.2.4+~cs4.2.7-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2023-2142",
"aliases": [
"DEBIAN-CVE-2023-2142"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "node-nunjucks",
"purl": "pkg:deb/debian/node-nunjucks?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"3.2.3+dfsg+~cs1.0.1-3",
"3.2.4+~cs4.2.7-1",
"3.2.4+~cs4.2.7-2",
"3.2.4+~cs4.2.7-3",
"3.2.4+~cs4.2.7-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2142.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.4+~cs4.2.7-1"
}
]
}
],
"package": {
"name": "node-nunjucks",
"purl": "pkg:deb/debian/node-nunjucks?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2142.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.4+~cs4.2.7-1"
}
]
}
],
"package": {
"name": "node-nunjucks",
"purl": "pkg:deb/debian/node-nunjucks?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-2142.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T18:00:21.501535513Z",
"provider": "osv",
"upstream": [
"CVE-2023-2142"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2023-2142"
]
},
"related_cves": [
{
"value": "CVE-2023-2142",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 454986,
"published_at": "2024-11-26T12:15:18.307+00:00"
}