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CVE-2025-21610

Estado: AplazadaMedia (5.3)—

Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Versions prior to 2.1.12 are vulnerable to cross-site scripting when pasting malicious code in the link field. An attacker could trick the user to copy&paste a malicious `javascript:` URL as a link that would execute arbitrary JavaScript code within the context of the user's session, potentially leading to unauthorized actions being performed or sensitive information being disclosed. Users should upgrade to Trix editor version 2.1.12 or later to receive a patch.

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In addition to upgrading, affected users can disallow browsers that don't support a Content Security Policy (CSP) as a workaround for this and other cross-site scripting vulnerabilities. Set CSP policies such as script-src 'self' to ensure that only scripts hosted on the same origin are executed, and explicitly prohibit inline scripts using script-src-elem.

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)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Trix — TrixAI

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-21610",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-21610",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-01-03T16:55:29.669326Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "security-advisories@github.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.6
      }
    ]
  },
  "affected": [
    {
      "source": "security-advisories@github.com",
      "affectedData": [
        {
          "vendor": "basecamp",
          "product": "trix",
          "versions": [
            {
              "status": "affected",
              "version": "< 2.1.12"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-01-03T17:15:09.290",
  "references": [
    {
      "url": "https://gist.github.com/th4s1s/3921fd9c3e324ad9a3e0d846166e3eb8",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/basecamp/trix/commit/180c8d337f18e1569cea6ef29b4d03ffff5b5faa",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/basecamp/trix/commit/c4f0d6f80654603932af6685694f694e96593b93",
      "source": "security-advisories@github.com"
    },
    {
      "url": "https://github.com/basecamp/trix/security/advisories/GHSA-j386-3444-qgwg",
      "source": "security-advisories@github.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "security-advisories@github.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Trix is a what-you-see-is-what-you-get rich text editor for everyday writing. Versions prior to 2.1.12 are vulnerable to cross-site scripting when pasting malicious code in the link field. An attacker could trick the user to copy&paste a malicious `javascript:` URL as a link that would execute arbitrary JavaScript code within the context of the user's session, potentially leading to unauthorized actions being performed or sensitive information being disclosed. Users should upgrade to Trix editor version 2.1.12 or later to receive a patch. In addition to upgrading, affected users can disallow browsers that don't support a Content Security Policy (CSP) as a workaround for this and other cross-site scripting vulnerabilities. Set CSP policies such as script-src 'self' to ensure that only scripts hosted on the same origin are executed, and explicitly prohibit inline scripts using script-src-elem."
    },
    {
      "lang": "es",
      "value": "Trix es un editor de texto enriquecido que permite ver lo que se obtiene para la escritura diaria. Las versiones anteriores a la 2.1.12 son vulnerables a cross site scripting al pegar código malicioso en el campo de enlace. Un atacante podría engañar al usuario para que copie y pegue una URL maliciosa `javascript:` como un enlace que ejecutaría código JavaScript arbitrario dentro del contexto de la sesión del usuario, lo que podría provocar que se realicen acciones no autorizadas o que se revele información confidencial. Los usuarios deben actualizar a la versión 2.1.12 o posterior del editor Trix para recibir un parche. Además de actualizar, los usuarios afectados pueden deshabilitar los navegadores que no admitan una Política de seguridad de contenido (CSP) como workaround para esta y otras vulnerabilidades de cross site scripting. Establezca políticas de CSP como script-src 'self' para garantizar que solo se ejecuten scripts alojadas en el mismo origen y prohíba explícitamente las scripts en línea mediante script-src-elem."
    }
  ],
  "lastModified": "2026-06-17T08:43:50.980",
  "sourceIdentifier": "security-advisories@github.com"
}