CVE-2026-63685

Estado: AplazadaAlta (8.8)—

Joomla Extension - regularlabs.com - Authorization bypass in DB Replacer extension - Administrator routes and replacement requests did not consistently require Super User permission and a valid token. An unauthorized backend user or CSRF attack could perform database replacements, potentially causing major data corruption or site compromise.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.42%
Percentil entre todas las CVEs puntuadas: 34
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1203 Exploitation for Client Executionexecution75 %
Impacto principalT1565.001 Stored Data Manipulationimpact80 %
Impacto secundarioT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access65 %

UI:R + web indica interacción del usuario (phishing CSRF); impacto: corrupción de datos en BD (T1565.001) y acceso no autorizado como admin (T1078.001) por bypass de autorización.

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 File and Directory Permissions Password Policies Remote Data Storage Multi-factor Authentication Encrypt Sensitive Information Application Isolation and Sandboxing

Tecnologías afectadas (1)

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

Regularlabs — DB Replacer^AI

CWE

CWE-284

Referencias

https://regularlabs.com/

JSON original (NVD)

Mostrar

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  "id": "CVE-2026-63685",
  "cveTags": [],
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-63685",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-27T18:40:38.416986Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "version": "3.1",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
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  "affected": [
    {
      "source": "security@joomla.org",
      "affectedData": [
        {
          "vendor": "regularlabs.com",
          "product": "DB Replacer extension for Joomla",
          "versions": [
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              "version": "1.0.0-8.2.7"
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  "published": "2026-07-22T21:18:10.130",
  "references": [
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      "url": "https://regularlabs.com/",
      "source": "security@joomla.org"
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  "lastModified": "2026-07-27T19:17:20.923",
  "sourceIdentifier": "security@joomla.org"
}