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CVE-2022-21169

Estado: ModificadaMedia (6.1)—

The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.

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 (1)

Express XSS Sanitizer Project — Express XSS Sanitizer

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2022-21169",
  "cveTags": [],
  "metrics": {
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          "options": [
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              "automatable": "no"
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          "version": "2.0.3",
          "timestamp": "2025-05-21T20:29:10.261035Z"
        }
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    "cvssMetricV31": [
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          "integrityImpact": "LOW",
          "userInteraction": "NONE",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
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          "baseSeverity": "MEDIUM",
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          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
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  "published": "2022-09-26T05:15:10.133",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-1321"
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  "descriptions": [
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      "lang": "en",
      "value": "The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization."
    },
    {
      "lang": "es",
      "value": "El paquete express-xss-sanitizer versiones anteriores a 1.1.3, es vulnerable a una Contaminación de Prototipos por medio del atributo allowedTags, permitiendo al atacante omitir el saneo de tipo xss."
    }
  ],
  "lastModified": "2026-06-17T04:25:40.183",
  "configurations": [
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}