CVE-2025-12739

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Exploitation required at least one Looker extension installed on the instance.<br><br>Looker-hosted and Self-hosted were found to be vulnerable.<br>This issue has already been mitigated for Looker-hosted instances.&nbsp;No user action is required for these.<div><br></div><span style=\"background-color: rgb(252, 252, 252);\">Self-hosted instances must be upgraded <span style=\"background-color: rgb(252, 252, 252);\">as soon as possible</span>. This vulnerability has been patched in all supported versions of Self-hosted.</span><br><div><span style=\"background-color: rgb(252, 252, 252);\">The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page </span><a target=\"_blank\" rel=\"nofollow\" href=\"https://download.looker.com/\">https://download.looker.com/</a><span style=\"background-color: rgb(252, 252, 252);\">:</span><ul><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">24.18.201+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.0.79+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.6.66+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.12.7+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.16.0+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.18.0+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.20.0+<br><br></span></span></li></ul></div>"}], "value": "An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would execute an attacker-supplied script. 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You can download these versions at the Looker download page https://download.looker.com/ : * 24.18.201+\n * 25.0.79+\n * 25.6.66+\n * 25.12.7+\n * 25.16.0+\n * 25.18.0+\n * 25.20.0+"}], "impacts": [{"capecId": "CAPEC-63", "descriptions": [{"lang": "en", "value": "CAPEC-63 Cross-Site Scripting (XSS)"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "baseScore": 7.3, "baseSeverity": "HIGH", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "RED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/U:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "shortName": "GoogleCloud", "dateUpdated": "2025-11-24T09:11:38.396Z"}, "references": [{"url": "https://cloud.google.com/support/bulletins#gcp-2025-068"}], "source": {"discovery": "UNKNOWN"}, "title": "Cross-Site Scripting (XSS) in Looker's Extension Loader leading to Admin Account Compromise", "x_generator": {"engine": "Vulnogram 0.4.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-11-24T13:18:11.065484Z", "id": "CVE-2025-12739", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-11-24T13:43:54.837Z"}}]}}

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Exploitation required at least one Looker extension installed on the instance.\n\nLooker-hosted and Self-hosted were found to be vulnerable.\nThis issue has already been mitigated for Looker-hosted instances.\u00a0No user action is required for these.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.18.201+\n * 25.0.79+\n * 25.6.66+\n * 25.12.7+\n * 25.16.0+\n * 25.18.0+\n * 25.20.0+", "supportingMedia": [{"type": "text/html", "value": "An attacker with viewer permissions in Looker could craft a malicious URL that, when opened by a Looker admin, would execute an attacker-supplied script. Exploitation required at least one Looker extension installed on the instance.<br><br>Looker-hosted and Self-hosted were found to be vulnerable.<br>This issue has already been mitigated for Looker-hosted instances.&nbsp;No user action is required for these.<div><br></div><span style=\"background-color: rgb(252, 252, 252);\">Self-hosted instances must be upgraded <span style=\"background-color: rgb(252, 252, 252);\">as soon as possible</span>. This vulnerability has been patched in all supported versions of Self-hosted.</span><br><div><span style=\"background-color: rgb(252, 252, 252);\">The versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page </span><a target=\"_blank\" rel=\"nofollow\" href=\"https://download.looker.com/\">https://download.looker.com/</a><span style=\"background-color: rgb(252, 252, 252);\">:</span><ul><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">24.18.201+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.0.79+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.6.66+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.12.7+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.16.0+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.18.0+</span></span></li><li><span style=\"background-color: rgb(252, 252, 252);\"><span style=\"background-color: rgb(252, 252, 252);\">25.20.0+<br><br></span></span></li></ul></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "shortName": "GoogleCloud", "dateUpdated": "2025-11-24T09:11:38.396Z"}}}, "cveMetadata": {"cveId": "CVE-2025-12739", "state": "PUBLISHED", "dateUpdated": "2025-11-24T13:43:54.837Z", "dateReserved": "2025-11-05T10:43:57.797Z", "assignerOrgId": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "datePublished": "2025-11-24T09:11:38.396Z", "assignerShortName": "GoogleCloud"}, "dataVersion": "5.2"}

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Exploitation required at least one Looker extension installed on the instance.\n\nLooker-hosted and Self-hosted were found to be vulnerable.\nThis issue has already been mitigated for Looker-hosted instances.\u00a0No user action is required for these.\n\n\nSelf-hosted instances must be upgraded as soon as possible. This vulnerability has been patched in all supported versions of Self-hosted.\nThe versions below have all been updated to protect from this vulnerability. You can download these versions at the Looker download page https://download.looker.com/ : * 24.18.201+\n * 25.0.79+\n * 25.6.66+\n * 25.12.7+\n * 25.16.0+\n * 25.18.0+\n * 25.20.0+"}, {"lang": "es", "value": "Un atacante con permisos de visualizador en Looker podr\u00eda crear una URL maliciosa que, al ser abierta por un administrador de Looker, ejecutar\u00eda un script proporcionado por el atacante. La explotaci\u00f3n requer\u00eda al menos una extensi\u00f3n de Looker instalada en la instancia.\n\nSe encontr\u00f3 que las instancias Looker-hosted y Self-hosted eran vulnerables.\nEste problema ya ha sido mitigado para las instancias Looker-hosted. No se requiere ninguna acci\u00f3n por parte del usuario para estas.\n\nLas instancias Self-hosted deben actualizarse lo antes posible. Esta vulnerabilidad ha sido parcheada en todas las versiones compatibles de Self-hosted.\nLas versiones a continuaci\u00f3n han sido todas actualizadas para proteger contra esta vulnerabilidad. Puede descargar estas versiones en la p\u00e1gina de descarga de Looker https://download.looker.com/ :\n * 24.18.201+\n * 25.0.79+\n * 25.6.66+\n * 25.12.7+\n * 25.16.0+\n * 25.18.0+\n * 25.20.0+"}], "id": "CVE-2025-12739", "lastModified": "2026-10-08T10:10:00.227", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "RED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/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:Red", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-12739", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-11-24T13:18:11.065484Z", "version": "2.0.3"}}]}, "published": "2025-11-24T10:15:59.567", "references": [{"source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "url": "https://cloud.google.com/support/bulletins#gcp-2025-068"}], "sourceIdentifier": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "f45cbf4e-4146-4068-b7e1-655ffc2c548c", "type": "Secondary"}]}

{}

{"created": "2025-11-25T11:02:32.692925+00:00", "updated": "2025-11-25T11:02:32.692971+00:00", "vendors": ["google", "google$PRODUCT$cloud_looker"]}