CVE-2026-16962

{
  "id": "CVE-2026-16962",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-21T07:16:25.040",
  "lastModified": "2026-10-26T10:10:00.140",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Tamara Checkout WordPress plugin through 1.9.9.20 does not verify the order key, a nonce, or any capability on its public payment cancel/fail return URLs, changing a WooCommerce order's status based solely on an attacker-supplied numeric order id, so an unauthenticated attacker can cancel or fail arbitrary orders store-wide by enumerating ids (triggering downstream stock-release and notification side-effects)."
    },
    {
      "lang": "es",
      "value": "El plugin de WordPress Tamara Checkout hasta la versión 1.9.9.20 no verifica la clave de pedido, un nonce, ni ninguna capacidad en sus URL públicas de retorno de cancelación/fallo de pago, cambiando el estado de un pedido de WooCommerce basándose únicamente en un ID de pedido numérico proporcionado por un atacante, por lo que un atacante no autenticado puede cancelar o fallar pedidos arbitrarios en toda la tienda enumerando los ID (desencadenando efectos secundarios de liberación de stock y notificación)."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Unknown",
          "product": "Tamara Checkout",
          "defaultStatus": "unknown",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "1.9.9.20",
              "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": "2026-08-21T12:49:37.960044Z",
          "id": "CVE-2026-16962",
          "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-862"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://wpscan.com/vulnerability/e026c89e-83cc-452c-bfb9-2630f1ade284/",
      "source": "[email protected]"
    }
  ]
}