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CVE-2021-36702

Estado: ModificadaMedia (6.1)—

The "content" field in the "regular post" page of the "add content" menu under "dashboard" in htmly 2.8.1 has a storage cross site scripting (XSS) vulnerability. It allows remote attackers to send authenticated post-http requests to add / content and inject arbitrary web scripts or HTML through special content.

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)

Htmly — Htmly

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2021-36702",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "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"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-08-03T19:15:09.017",
  "references": [
    {
      "url": "https://github.com/danpros/htmly/issues/481",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/danpros/htmly/issues/481",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The \"content\" field in the \"regular post\" page of the \"add content\" menu under \"dashboard\" in htmly 2.8.1 has a storage cross site scripting (XSS) vulnerability. It allows remote attackers to send authenticated post-http requests to add / content and inject arbitrary web scripts or HTML through special content."
    },
    {
      "lang": "es",
      "value": "El campo \"content\" en la página \"regular post\" del menú \"add content\" en \"dashboard\" en htmly versión 2.8.1, presenta una vulnerabilidad de tipo cross site scripting (XSS) almacenado. Permite a atacantes remotos enviar peticiones post-http autenticadas para añadir/contenido e inyectar scripts web o HTML arbitrario mediante el contenido especial"
    }
  ],
  "lastModified": "2026-06-17T03:59:01.317",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:htmly:htmly:2.8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3943A5AA-F6A1-40B4-AFD3-7D1189668464"
            }
          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "cve@mitre.org"
}