CVE-2026-55826

{"id": "CVE-2026-55826", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55826", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-29T13:30:47.226439Z"}}], "cvssMetricV40": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "stape-io", "product": "gtm-server-side-wordpress-plugin", "versions": [{"status": "affected", "version": ">= 2.0.0, < 2.1.48"}]}]}], "published": "2026-10-23T14:17:54.017", "references": [{"url": "http://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.47", "source": "security-advisories@github.com"}, {"url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/702898f57772279ca63d3f800336c1803103ea41", "source": "security-advisories@github.com"}, {"url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/9ff46a050028c40fad5416f2fa35be574c823434", "source": "security-advisories@github.com"}, {"url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/releases/tag/2.1.48", "source": "security-advisories@github.com"}, {"url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/security/advisories/GHSA-j5j2-gr8c-8rvf", "source": "security-advisories@github.com"}, {"url": "https://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.48", "source": "security-advisories@github.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-200"}]}], "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's full order data \u2014 including personally identifiable information (PII) \u2014 into the page's JavaScript dataLayer. This issue has been patched in version 2.1.48."}], "lastModified": "2026-10-29T14:17:57.137", "sourceIdentifier": "security-advisories@github.com"}