CVE-2023-0842 (GCVE-0-2023-0842)

Vulnerability from cvelistv5 – Published: 2023-04-05 00:00 – Updated: 2025-12-03 20:14
VLAI?
Title
xml2js 0.4.23 - Prototype Pollution
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.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CWE
  • Prototype Pollution
Assigner
References
Impacted products
Vendor Product Version
n/a xml2js Affected: 0.4.23
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:24:34.583Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://fluidattacks.com/advisories/myers/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/Leonidas-from-XIV/node-xml2js/"
          },
          {
            "name": "[debian-lts-announce] 20240314 [SECURITY] [DLA 3760-1] node-xml2js security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "LOW",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-0842",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-13T19:12:29.183636Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-1321",
                "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-13T19:13:03.902Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://registry.npmjs.org",
          "defaultStatus": "unaffected",
          "packageName": "node-xml2js",
          "product": "xml2js",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "0.4.23"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003exml2js 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.\u003c/p\u003e"
            }
          ],
          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Prototype Pollution",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-12-03T20:14:55.512Z",
        "orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
        "shortName": "Fluid Attacks"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://fluidattacks.com/advisories/myers/"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/Leonidas-from-XIV/node-xml2js/"
        },
        {
          "name": "[debian-lts-announce] 20240314 [SECURITY] [DLA 3760-1] node-xml2js security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "xml2js 0.4.23 - Prototype Pollution",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869",
    "assignerShortName": "Fluid Attacks",
    "cveId": "CVE-2023-0842",
    "datePublished": "2023-04-05T00:00:00.000Z",
    "dateReserved": "2023-02-15T00:00:00.000Z",
    "dateUpdated": "2025-12-03T20:14:55.512Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:xml2js_project:xml2js:0.4.23:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"70BD0806-8B12-4AE6-B83D-95A30A40E3C1\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"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.\"}]",
      "id": "CVE-2023-0842",
      "lastModified": "2024-11-21T07:37:56.420",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"baseScore\": 5.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 1.4}]}",
      "published": "2023-04-05T20:15:07.493",
      "references": "[{\"url\": \"https://fluidattacks.com/advisories/myers/\", \"source\": \"help@fluidattacks.com\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/Leonidas-from-XIV/node-xml2js/\", \"source\": \"help@fluidattacks.com\", \"tags\": [\"Product\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\", \"source\": \"help@fluidattacks.com\"}, {\"url\": \"https://fluidattacks.com/advisories/myers/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Third Party Advisory\"]}, {\"url\": \"https://github.com/Leonidas-from-XIV/node-xml2js/\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Product\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "help@fluidattacks.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-1321\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-0842\",\"sourceIdentifier\":\"help@fluidattacks.com\",\"published\":\"2023-04-05T20:15:07.493\",\"lastModified\":\"2025-09-24T12:15:28.800\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\",\"baseScore\":5.3,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":1.4}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1321\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-1321\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:xml2js_project:xml2js:0.4.23:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"70BD0806-8B12-4AE6-B83D-95A30A40E3C1\"}]}]}],\"references\":[{\"url\":\"https://fluidattacks.com/advisories/myers/\",\"source\":\"help@fluidattacks.com\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/Leonidas-from-XIV/node-xml2js/\",\"source\":\"help@fluidattacks.com\",\"tags\":[\"Product\"]},{\"url\":\"https://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2\",\"source\":\"help@fluidattacks.com\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\",\"source\":\"help@fluidattacks.com\"},{\"url\":\"https://fluidattacks.com/advisories/myers/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Third Party Advisory\"]},{\"url\":\"https://github.com/Leonidas-from-XIV/node-xml2js/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Product\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://fluidattacks.com/advisories/myers/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://github.com/Leonidas-from-XIV/node-xml2js/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\", \"name\": \"[debian-lts-announce] 20240314 [SECURITY] [DLA 3760-1] node-xml2js security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T05:24:34.583Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-0842\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-13T19:12:29.183636Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-1321\", \"description\": \"CWE-1321 Improperly Controlled Modification of Object Prototype Attributes (\u0027Prototype Pollution\u0027)\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-13T19:12:58.679Z\"}}], \"cna\": {\"title\": \"xml2js 0.4.23 - Prototype Pollution\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"affected\": [{\"vendor\": \"n/a\", \"product\": \"xml2js\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.4.23\"}], \"packageName\": \"node-xml2js\", \"collectionURL\": \"https://registry.npmjs.org\", \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://fluidattacks.com/advisories/myers/\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://github.com/Leonidas-from-XIV/node-xml2js/\", \"tags\": [\"product\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html\", \"name\": \"[debian-lts-announce] 20240314 [SECURITY] [DLA 3760-1] node-xml2js security update\", \"tags\": [\"mailing-list\"]}, {\"url\": \"https://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003exml2js 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.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"Prototype Pollution\"}]}], \"providerMetadata\": {\"orgId\": \"84fe0718-d6bb-4716-a7e8-81a6d1daa869\", \"shortName\": \"Fluid Attacks\", \"dateUpdated\": \"2025-12-03T20:14:55.512Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-0842\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-03T20:14:55.512Z\", \"dateReserved\": \"2023-02-15T00:00:00.000Z\", \"assignerOrgId\": \"84fe0718-d6bb-4716-a7e8-81a6d1daa869\", \"datePublished\": \"2023-04-05T00:00:00.000Z\", \"assignerShortName\": \"Fluid Attacks\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.