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CVE-2021-36603

Estado: ModificadaMedia (6.1)—

Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field "Friendly Name 1".

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)

Tasmota Project — Tasmota

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36603",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36603",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "poc"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-09T14:36:47.659024Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
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          "attackComplexity": "LOW",
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          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
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  "affected": [
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      "affectedData": [
        {
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  "published": "2023-01-09T21:15:10.537",
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        "Third Party Advisory"
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        "Third Party Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
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  "descriptions": [
    {
      "lang": "en",
      "value": "Cross Site Scripting (XSS) in Tasmota firmware 6.5.0 allows remote attackers to inject JavaScript code via a crafted string in the field \"Friendly Name 1\"."
    },
    {
      "lang": "es",
      "value": "Cross Site Scripting (XSS) en el firmware Tasmota 6.5.0 permite a atacantes remotos inyectar código JavaScript a través de una cadena manipulada en el campo \"Friendly Name 1\"."
    }
  ],
  "lastModified": "2026-06-17T03:58:57.657",
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            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}