FKIE_CVE-2021-43721

Vulnerability from fkie_nvd - Published: 2022-03-28 14:15 - Updated: 2024-11-21 06:29
Severity ?
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Leanote 2.7.0 is vulnerable to Cross Site Scripting (XSS) in the markdown type note. This leads to remote code execution with payload : <video src=x onerror=(function(){require('child_process').exec('calc');})();>
References
cve@mitre.orghttps://github.com/leanote/desktop-app/issues/364Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/leanote/desktop-app/issues/364Exploit, Issue Tracking, Third Party Advisory
Impacted products
Vendor Product Version
leanote leanote 2.7.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:leanote:leanote:2.7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "96765F76-C9F6-48C3-904A-DA74147300A2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Leanote 2.7.0 is vulnerable to Cross Site Scripting (XSS) in the markdown type note. This leads to remote code execution with payload : \u003cvideo src=x onerror=(function(){require(\u0027child_process\u0027).exec(\u0027calc\u0027);})();\u003e"
    },
    {
      "lang": "es",
      "value": "Leanote versi\u00f3n 2.7.0, es vulnerable a un ataque de tipo Cross Site Scripting (XSS) en la nota de tipo markdown. Esto conlleva a una ejecuci\u00f3n de c\u00f3digo remota con carga \u00fatil : (video src=x onerror=(function(){require(\"child_process\").exec(\"calc\");})();)"
    }
  ],
  "id": "CVE-2021-43721",
  "lastModified": "2024-11-21T06:29:40.147",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-03-28T14:15:07.627",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/leanote/desktop-app/issues/364"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://github.com/leanote/desktop-app/issues/364"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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