CVE-2025-39557

Status: DeferredCritical (9.1)—

Unrestricted Upload of File with Dangerous Type vulnerability in StellarWP Kadence WooCommerce Email Designer kadence-woocommerce-email-designer allows Upload a Web Shell to a Web Server.This issue affects Kadence WooCommerce Email Designer: from n/a through <= 1.5.14.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Base score: 9.1

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.61%
Percentile among all scored CVEs: 47
Score date: 10/6/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement85 %
Primary impactT1505.003 Web Shellpersistence90 %
Secondary impactT1059 Command and Scripting Interpreterexecution85 %

CWE-434 (carga de archivo peligroso) en plugin WooCommerce con acceso de red requiere privilegios altos (PR:H), permitiendo inyectar web shell (T1505.003) y ejecutar código arbitrario (T1059) en el servidor.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Disable or Remove Feature or Program Privileged Account Management Vulnerability Scanning User Account Management Threat Intelligence Program Restrict Web-Based Content

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Stellarwp — Kadence Woocommerce Email Designer^AI

CWEs

CWE-434

References

https://patchstack.com/database/Wordpress/Plugin/kadence-woocommerce-email-designer/vulnerability/wordpress-kadence-woocommerce-email-designer-plugin-1-5-14-arbitrary-file-upload-vulnerability?_s_id=cve

Raw JSON (NVD)

Show

{
  "id": "CVE-2025-39557",
  "cveTags": [],
  "metrics": {
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      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-39557",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-16T14:58:18.433087Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "audit@patchstack.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "StellarWP",
          "product": "Kadence WooCommerce Email Designer",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "1.5.15",
                  "status": "unaffected"
                }
              ],
              "version": "0",
              "versionType": "custom",
              "lessThanOrEqual": "1.5.14"
            }
          ],
          "packageName": "kadence-woocommerce-email-designer",
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        }
      ]
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  ],
  "published": "2025-04-16T13:15:48.697",
  "references": [
    {
      "url": "https://patchstack.com/database/Wordpress/Plugin/kadence-woocommerce-email-designer/vulnerability/wordpress-kadence-woocommerce-email-designer-plugin-1-5-14-arbitrary-file-upload-vulnerability?_s_id=cve",
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  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
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      "type": "Secondary",
      "source": "audit@patchstack.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-434"
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  "descriptions": [
    {
      "lang": "en",
      "value": "Unrestricted Upload of File with Dangerous Type vulnerability in StellarWP Kadence WooCommerce Email Designer kadence-woocommerce-email-designer allows Upload a Web Shell to a Web Server.This issue affects Kadence WooCommerce Email Designer: from n/a through <= 1.5.14."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de subida sin restricciones de archivos con tipo peligroso en Ben Ritner - Kadence WP Kadence WooCommerce Email Designer permite subir un shell web a un servidor web. Este problema afecta al diseñador de correo electrónico de Kadence WooCommerce desde n/d hasta la versión 1.5.14."
    }
  ],
  "lastModified": "2026-06-17T09:18:09.150",
  "sourceIdentifier": "audit@patchstack.com"
}