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CVE-2026-103686

Estado: AplazadaBaja (2)—

A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component.

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

CWE-79 (XSS) en validador de URL permite inyección de script; AV:N/UI:P indica ataque web remoto interactivo (T1189). Impacta ejecución de código JavaScript en cliente (T1059.007).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based ContentExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or ProgramUser TrainingPrivileged Account Management

Tecnologías afectadas (1)

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

Rhukster — DOM SanitizerAI

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2026-103686",
  "cveTags": [],
  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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          "version": "2.0.3",
          "timestamp": "2026-10-06T01:44:45.417881Z"
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          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
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        "obtainAllPrivilege": false,
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
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    "cvssMetricV40": [
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          "exploitMaturity": "PROOF_OF_CONCEPT",
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          "subIntegrityImpact": "NONE",
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          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
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          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
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          "modifiedAttackRequirements": "NOT_DEFINED",
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          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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  "affected": [
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      "affectedData": [
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          "cpes": [
            "cpe:2.3:a:rhukster:dom-sanitizer:*:*:*:*:*:*:*:*"
          ],
          "vendor": "rhukster",
          "modules": [
            "URL Validation"
          ],
          "product": "dom-sanitizer",
          "versions": [
            {
              "status": "affected",
              "version": "1.0.0"
            },
            {
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            {
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            {
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              "status": "affected",
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              "status": "affected",
              "version": "1.0.7"
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            {
              "status": "affected",
              "version": "1.0.8"
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            {
              "status": "affected",
              "version": "1.0.9"
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              "status": "affected",
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              "status": "affected",
              "version": "1.0.11"
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              "status": "affected",
              "version": "1.0.12"
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              "version": "1.0.13"
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              "version": "1.0.14"
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            {
              "status": "unaffected",
              "version": "1.0.16"
            }
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        }
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    }
  ],
  "published": "2026-10-01T14:17:28.233",
  "references": [
    {
      "url": "https://github.com/rhukster/dom-sanitizer/",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/commit/4623b565d060bc02ca5a07d8c8241fe28e2edfda",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.16",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-mrpv-6x26-mf6c",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/cve/CVE-2026-103686",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/submit/958312",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/412550",
      "source": "cna@vuldb.com"
    },
    {
      "url": "https://vuldb.com/vuln/412550/cti",
      "source": "cna@vuldb.com"
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  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cna@vuldb.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        },
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw has been found in rhukster dom-sanitizer up to 1.0.15. Impacted is the function DOMSanitizer::isDangerousUrl of the file src/DOMSanitizer.php of the component URL Validation. This manipulation causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 1.0.16 is recommended to address this issue. Patch name: 4623b565d060bc02ca5a07d8c8241fe28e2edfda. It is suggested to upgrade the affected component."
    }
  ],
  "lastModified": "2026-10-06T02:17:02.590",
  "sourceIdentifier": "cna@vuldb.com"
}