CVE-2026-103331

{
  "id": "CVE-2026-103331",
  "sourceIdentifier": "[email protected]",
  "published": "2026-10-28T06:16:31.570",
  "lastModified": "2026-11-09T20:10:00.200",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The UniPAY Payment Gateway For WooCommerce WordPress plugin before 2.4 does not properly verify the authenticity of payment notifications, as their signature is checked against a merchant secret that is empty by default, allowing unauthenticated attackers to forge a valid notification and mark arbitrary orders as paid."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress UniPAY Payment Gateway para WooCommerce anterior a la versión 2.4 no verifica adecuadamente la autenticidad de las notificaciones de pago, ya que su firma se verifica contra un secreto de comerciante que está vacío por defecto, permitiendo a atacantes no autenticados forjar una notificación válida y marcar pedidos arbitrarios como pagados."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "UniPAY Payment Gateway For WooCommerce",
          "defaultStatus": "unaffected",
          "collectionURL": "https://wordpress.org/plugins",
          "versions": [
            {
              "version": "0",
              "lessThan": "2.4",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-10-28T17:51:06.716523Z",
          "id": "CVE-2026-103331",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/a7d61b5f-9e92-459c-8f6d-1c92ea94ef00/",
      "source": "[email protected]"
    }
  ]
}