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CVE-2026-81779

Estado: AplazadaCrítica (10)—

Improper Validation of Specified Quantity in Input vulnerability in Silk Themes Newspapers X allows Malicious Software Implanted.

This issue affects Newspapers X: from 1.0.46 through 1.0.48.

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.

Vector CVSS:3.1 AV:N/AC:L/PR:N/UI:N indica explotación remota sin privilegios ni interacción (T1190). CWE-1284 (Improper Validation) en plugin web permite inyección; 'Malicious Software Implanted' sugiere web shell (T1505.003) y ejecución de código (T1059).

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

Privileged Account ManagementVulnerability ScanningRestrict Web-Based ContentNetwork SegmentationLimit Software InstallationLimit Access to Resource Over Network

Tecnologías afectadas (1)

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

Silk Themes — Newspapers XAI

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2026-81779",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-81779",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-09-01T13:47:20.969676Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "audit@patchstack.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 10,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "Silk Themes",
          "product": "Newspapers X",
          "versions": [
            {
              "status": "affected",
              "changes": [
                {
                  "at": "1.0.49",
                  "status": "unaffected"
                }
              ],
              "version": "1.0.46",
              "versionType": "custom",
              "lessThanOrEqual": "1.0.48"
            }
          ],
          "packageName": "newspapers-x",
          "collectionURL": "https://wordpress.org/themes",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2026-08-31T21:17:51.903",
  "references": [
    {
      "url": "https://patchstack.com/database/wordpress/theme/newspapers-x/vulnerability/wordpress-newspapers-x-theme-1-0-46-1-0-48-backdoor-vulnerability?_s_id=cve",
      "source": "audit@patchstack.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "audit@patchstack.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Validation of Specified Quantity in Input vulnerability in Silk Themes Newspapers X allows Malicious Software Implanted.\n\nThis issue affects Newspapers X: from 1.0.46 through 1.0.48."
    }
  ],
  "lastModified": "2026-09-01T20:48:22.513",
  "sourceIdentifier": "audit@patchstack.com"
}