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node-nunjucks — security advisory

Type: advisorySources: OSVAdvisory ID: DEBIAN-CVE-2023-2142

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

DEBIAN-CVE-2023-2142

core-osv · Original source

Published 26 Nov 2024, 12:15 UTC

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"
}