FKIE_CVE-2023-0842

Vulnerability from fkie_nvd - Published: 2023-04-05 20:15 - Updated: 2025-09-24 12:15
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
References
help@fluidattacks.comhttps://fluidattacks.com/advisories/myers/Exploit, Third Party Advisory
help@fluidattacks.comhttps://github.com/Leonidas-from-XIV/node-xml2js/Product
help@fluidattacks.comhttps://github.com/Leonidas-from-XIV/node-xml2js/releases/tag/0.6.2
help@fluidattacks.comhttps://lists.debian.org/debian-lts-announce/2024/03/msg00013.html
af854a3a-2127-422b-91ae-364da2661108https://fluidattacks.com/advisories/myers/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/Leonidas-from-XIV/node-xml2js/Product
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html
Impacted products
Vendor Product Version
xml2js_project xml2js 0.4.23
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:xml2js_project:xml2js:0.4.23:*:*:*:*:*:*:*",
              "matchCriteriaId": "70BD0806-8B12-4AE6-B83D-95A30A40E3C1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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."
    }
  ],
  "id": "CVE-2023-0842",
  "lastModified": "2025-09-24T12:15:28.800",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2023-04-05T20:15:07.493",
  "references": [
    {
      "source": "help@fluidattacks.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://fluidattacks.com/advisories/myers/"
    },
    {
      "source": "help@fluidattacks.com",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/Leonidas-from-XIV/node-xml2js/"
    },
    {
      "source": "help@fluidattacks.com",
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://fluidattacks.com/advisories/myers/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Product"
      ],
      "url": "https://github.com/Leonidas-from-XIV/node-xml2js/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2024/03/msg00013.html"
    }
  ],
  "sourceIdentifier": "help@fluidattacks.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-1321"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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