CCAvenue Payment Gateway for WooCommerce <= 3.1 - Unauthenticated Order Payment Completion via Webhook Forgery

{
  "id": "5bedd91c3d780bbe1ef0b3bdbe5f8b18d4a6611c0725f53e0c78f45bb03ddd89",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-103298",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CCAvenue Payment Gateway for WooCommerce <= 3.1 - Unauthenticated Order Payment Completion via Webhook Forgery",
    "summary": "The CCAvenue Payment Gateway for WooCommerce WordPress plugin through 3.1 does not verify that a payment-confirmation request genuinely originates from the payment provider, and derives its verification key from a value that is empty on a default install, allowing unauthenticated attackers to forge a confirmation and mark any WooCommerce order as paid without payment.",
    "evidence": "cve:CVE-2026-103298",
    "products": [
      {
        "name": {
          "value": "CCAvenue Payment Gateway for WooCommerce",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-103298",
      "aliases": [
        "CVE-2026-103298"
      ],
      "metrics": [],
      "affected": [
        {
          "vendor": "Unknown",
          "product": "CCAvenue Payment Gateway for WooCommerce",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "3.1"
            }
          ],
          "defaultStatus": "unknown"
        }
      ],
      "modified": "2026-10-26T10:13:36.097Z",
      "provider": "cve",
      "references": [
        "https://wpscan.com/vulnerability/7224481a-60f8-42c2-87e9-4615ce666357/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "cvssV3_1": {
                  "scope": "UNCHANGED",
                  "version": "3.1",
                  "baseScore": 5.3,
                  "attackVector": "NETWORK",
                  "baseSeverity": "MEDIUM",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
                  "integrityImpact": "LOW",
                  "userInteraction": "NONE",
                  "attackComplexity": "LOW",
                  "availabilityImpact": "NONE",
                  "privilegesRequired": "NONE",
                  "confidentialityImpact": "NONE"
                }
              },
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-103298",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-26T10:06:13.493665Z"
                  }
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "lang": "en",
                    "type": "CWE",
                    "cweId": "CWE-284",
                    "description": "CWE-284 Improper Access Control"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-26T10:13:36.097Z"
            }
          }
        ],
        "cna": {
          "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
          "shortName": "WPScan",
          "dateUpdated": "2026-10-26T06:00:18.034Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-103298",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 283264,
  "published_at": "2026-10-26T06:00:18.034+00:00"
}