{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-55826",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-29T13:30:47.226439Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-29T13:32:21.226Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "gtm-server-side-wordpress-plugin",
          "vendor": "stape-io",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2.0.0, \u003c 2.1.48"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The GTM Server Side plugin by stape.io implements server-side tracking on WordPress websites. From version 2.0.0 to before version 2.1.48, the WooCommerce purchase event tracking mechanism allows an unauthenticated attacker to trigger the rendering of another customer\u0027s full order data \u2014 including personally identifiable information (PII) \u2014 into the page\u0027s JavaScript dataLayer. This issue has been patched in version 2.1.48."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-200",
              "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-23T13:27:45.250Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/security/advisories/GHSA-j5j2-gr8c-8rvf",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/security/advisories/GHSA-j5j2-gr8c-8rvf"
        },
        {
          "name": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/702898f57772279ca63d3f800336c1803103ea41",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/702898f57772279ca63d3f800336c1803103ea41"
        },
        {
          "name": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/9ff46a050028c40fad5416f2fa35be574c823434",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/9ff46a050028c40fad5416f2fa35be574c823434"
        },
        {
          "name": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/releases/tag/2.1.48",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/releases/tag/2.1.48"
        },
        {
          "name": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.48",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.48"
        },
        {
          "name": "http://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.47",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.47"
        }
      ],
      "source": {
        "advisory": "GHSA-j5j2-gr8c-8rvf",
        "discovery": "UNKNOWN"
      },
      "title": "Customer Order Data Exposed via Unauthenticated gtm_server_side_order_id Cookie Manipulation in GTM Server Side WordPress Plugin"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-55826",
    "datePublished": "2026-10-23T13:27:45.250Z",
    "dateReserved": "2026-06-17T16:29:38.864Z",
    "dateUpdated": "2026-10-29T13:32:21.226Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}