CVE-2026-48047

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Further, the attacker needs to publish a malicious extension in an extension repository that is configured in the instance. This vulnerability has been patched in XWiki 16.10.17, 17.4.9, 17.10.3, and 18.0.0RC1. XWiki is not aware of any workarounds except for being careful whom developers grant script and admin rights to."}, {"lang": "es", "value": "La API de WebJars de la Plataforma XWiki es un paquete para XWiki, una plataforma wiki gen\u00e9rica. A partir de la versi\u00f3n 9.6-rc-1 y antes de las versiones 16.10.17, 17.4.9 y 17.10.3, una potencial vulnerabilidad de salto de ruta permite a un atacante que logra instalar una extensi\u00f3n WebJar maliciosa en el wiki escribir archivos arbitrarios. Si bien las consecuencias podr\u00edan ser graves, como sobrescribir archivos de configuraci\u00f3n y establecer la contrase\u00f1a de superadministrador, el ataque primero requiere que el atacante ya tenga acceso de administrador a al menos un subwiki para poder instalar una extensi\u00f3n maliciosa. Adem\u00e1s, el atacante necesita publicar una extensi\u00f3n maliciosa en un repositorio de extensiones que est\u00e9 configurado en la instancia. Esta vulnerabilidad ha sido parcheada en XWiki 16.10.17, 17.4.9, 17.10.3 y 18.0.0RC1. XWiki no tiene conocimiento de ninguna soluci\u00f3n alternativa, excepto tener cuidado a qui\u00e9n los desarrolladores otorgan derechos de script y administrador."}], "id": "CVE-2026-48047", "lastModified": "2026-10-23T20:10:00.160", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.9, "baseSeverity": "MEDIUM", "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-48047", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-10T13:34:52.530646Z", "version": "2.0.3"}}]}, "published": "2026-08-07T23:17:03.960", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/commit/9f747fcd3200259a1de51957d3f5f6acc8e3816c"}, {"source": "security-advisories@github.com", "url": "https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-vgwr-23fq-pr7g"}, {"source": "security-advisories@github.com", "url": "https://jira.xwiki.org/browse/XWIKI-23902"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://jira.xwiki.org/browse/XWIKI-23902"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-24"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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