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CVE-2025-11521

Full vulnerability record from the local CVENow database.

Description

The Astra Security Suite – Firewall & Malware Scan plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient validation of remote URLs for zip downloads and an easily guessable key in all versions up to, and including, 0.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Severity
HIGH
CVSS score
8.1 (v3.1)
Vulnerability status
Deferred
Source identifier
Published
2025-11-11 04:15:41.797000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
  "id": "CVE-2025-11521",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-11T04:15:41.797",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Astra Security Suite – Firewall & Malware Scan plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient validation of remote URLs for zip downloads and an easily guessable key in all versions up to, and including, 0.2. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible."
    },
    {
      "lang": "es",
      "value": "El plugin Astra Security Suite - Cortafuegos y Análisis de Malware para WordPress es vulnerable a cargas de archivos arbitrarias debido a una validación insuficiente de URLs remotas para descargas de archivos zip y una clave fácilmente adivinable en todas las versiones hasta la 0.2, inclusive. Esto hace posible que atacantes no autenticados carguen archivos arbitrarios en el servidor del sitio afectado, lo que puede hacer posible la ejecución remota de código."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "astrasecuritysuite",
          "product": "Astra Security Suite – Firewall & Malware Scan",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "0.2",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-12T14:56:13.418664Z",
          "id": "CVE-2025-11521",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-285"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://wordpress.org/plugins/getastra/",
      "source": "[email protected]"
    },
    {
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/f99a6b5c-e95d-49d0-a4b2-1d7188447da1?source=cve",
      "source": "[email protected]"
    }
  ]
}