CVE-2026-64791

Estado: AplazadaAlta (8.8)—

Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Regular Labs Extension Manager - Administrator routes and install/update/uninstall processing did not consistently enforce component-management and installation permissions. An unauthorized backend user or CSRF attack could install, update or remove extensions.

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: 0.20%
Percentil entre todas las CVEs puntuadas: 8
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 Executionexecution85 %
Impacto principalT1548 Abuse Elevation Control Mechanismprivilege escalation80 %
Impacto secundarioT1195.001 Compromise Software Dependencies and Development Toolsinitial access75 %

UI:R (requiere interacción del usuario) y CSRF sugieren engaño a administrador. La instalación/actualización no autorizada de extensiones otorga privilegios y manipula la cadena de suministro de código.

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

Update Software Application Developer Guidance Vulnerability Scanning User Account Management Restrict File and Directory Permissions Privileged Account Management

Tecnologías afectadas (2)

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

Joomla — Joomla^AI Regularlabs — Extension Manager^AI

CWE

CWE-284, CWE-352

Referencias

https://regularlabs.com/

JSON original (NVD)

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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-64791",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-07-27T17:36:23.459342Z"
        }
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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"
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        "impactScore": 5.9,
        "exploitabilityScore": 2.8
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  "affected": [
    {
      "source": "security@joomla.org",
      "affectedData": [
        {
          "vendor": "regularlabs.com",
          "product": "Regular Labs Extension Manager extension for Joomla",
          "versions": [
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              "version": "1.0.0-9.2.5"
            }
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  "published": "2026-07-22T21:18:10.230",
  "references": [
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      "url": "https://regularlabs.com/",
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  "lastModified": "2026-07-27T18:16:59.620",
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