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CVE-2020-15169

Estado: ModificadaMedia (6.1)—

In Action View before versions 5.2.4.4 and 6.0.3.3 there is a potential Cross-Site Scripting (XSS) vulnerability in Action View's translation helpers. Views that allow the user to control the default (not found) value of the `t` and `translate` helpers could be susceptible to XSS attacks. When an HTML-unsafe string is passed as the default for a missing translation key named html or ending in _html, the default string is incorrectly marked as HTML-safe and not escaped. This is patched in versions 6.0.3.3 and 5.2.4.4. A workaround without upgrading is proposed in the source advisory.

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 (3)

Action View Project — Action ViewDebian — Debian LinuxFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2020-15169",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
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        "acInsufInfo": false,
        "impactScore": 2.9,
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        "obtainAllPrivilege": false,
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        "impactScore": 2.7,
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      "affectedData": [
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          "vendor": "rails",
          "product": "actionview",
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              "version": "< 5.2.4.4"
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              "status": "affected",
              "version": ">= 6.0.0.0, < 6.0.3.3"
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  "published": "2020-09-11T16:15:12.287",
  "references": [
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      "url": "https://github.com/rails/rails/security/advisories/GHSA-cfjv-5498-mph5",
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        "Third Party Advisory"
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      "tags": [
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        "Third Party Advisory"
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      "source": "security-advisories@github.com"
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      "source": "security-advisories@github.com"
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      "url": "https://github.com/rails/rails/security/advisories/GHSA-cfjv-5498-mph5",
      "tags": [
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  "vulnStatus": "Modified",
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      "description": [
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          "lang": "en",
          "value": "CWE-79"
        }
      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Action View before versions 5.2.4.4 and 6.0.3.3 there is a potential Cross-Site Scripting (XSS) vulnerability in Action View's translation helpers. Views that allow the user to control the default (not found) value of the `t` and `translate` helpers could be susceptible to XSS attacks. When an HTML-unsafe string is passed as the default for a missing translation key named html or ending in _html, the default string is incorrectly marked as HTML-safe and not escaped. This is patched in versions 6.0.3.3 and 5.2.4.4. A workaround without upgrading is proposed in the source advisory."
    },
    {
      "lang": "es",
      "value": "En Action View versiones anteriores a 5.2.4.4 y 6.0.3.3, se presenta una potencial vulnerabilidad de tipo Cross-Site Scripting (XSS) en los asistentes de traducción de Action View.&#xa0;Las vistas que permiten al usuario controlar el valor predeterminado (no encontrado) de los asistentes \"t\" y \"translate\" podrían ser susceptibles a ataques de tipo XSS.&#xa0;Cuando es pasada una cadena no segura hacia HTML como predeterminada para una clave de traducción faltante llamada html o terminando en _html, la cadena predeterminada es marcada incorrectamente como segura para HTML y no escapaba.&#xa0;Esto está parcheado en las versiones 6.0.3.3 y 5.2.4.4.&#xa0;Se propone una solución alternativa sin actualizar en el aviso de fuente"
    }
  ],
  "lastModified": "2026-06-17T02:56:11.280",
  "configurations": [
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}