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CVE-2021-4231

Estado: ModificadaMedia (5.4)—

A vulnerability was found in Angular up to 11.0.4/11.1.0-next.2. It has been classified as problematic. Affected is the handling of comments. The manipulation leads to cross site scripting. It is possible to launch the attack remotely but it might require an authentication first. Upgrading to version 11.0.5 and 11.1.0-next.3 is able to address this issue. The name of the patch is ba8da742e3b243e8f43d4c63aa842b44e14f2b09. It is recommended to upgrade the affected component.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Angular — AngularAngularjs — Angularjs

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-4231",
  "cveTags": [],
  "metrics": {
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          "id": "CVE-2021-4231",
          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-14T17:14:41.857765Z"
        }
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          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
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    "cvssMetricV31": [
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          "vendor": "unspecified",
          "product": "Angular",
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              "version": "11.0.1"
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              "version": "11.0.2"
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              "version": "11.0.3"
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              "version": "11.1.0-next.2"
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  "published": "2022-05-26T14:15:07.953",
  "references": [
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      "tags": [
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      "source": "cna@vuldb.com"
    },
    {
      "url": "https://security.snyk.io/vuln/SNYK-JS-ANGULARCORE-1070902",
      "tags": [
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability was found in Angular up to 11.0.4/11.1.0-next.2. It has been classified as problematic. Affected is the handling of comments. The manipulation leads to cross site scripting. It is possible to launch the attack remotely but it might require an authentication first. Upgrading to version 11.0.5 and 11.1.0-next.3 is able to address this issue. The name of the patch is ba8da742e3b243e8f43d4c63aa842b44e14f2b09. It is recommended to upgrade the affected component."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado una vulnerabilidad en Angular versiones hasta 11.0.4/11.1.0-next.2. Ha sido clasificada como problemática. Está afectada la manipulación de los comentarios. La manipulación conlleva  a un ataque de tipo cross site scripting. Es posible lanzar el ataque de forma remota, pero podría requerir una autenticación previa. La actualización a versiones 11.0.5 y 11.1.0-next.3 puede abordar este problema. El nombre del parche es ba8da742e3b243e8f43d4c63aa842b44e14f2b09. Es recomendado actualizar el componente afectado"
    }
  ],
  "lastModified": "2026-06-17T04:19:18.927",
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}