CVE-2024-54149

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Winter CMS prior to versions 1.2.7, 1.1.11, and 1.0.476 allow users with access to the CMS templates sections that modify Twig files to bypass the sandbox placed on Twig files and modify resources such as theme customisation values or modify, or remove, templates in the theme even if not provided direct access via the permissions. As all objects passed through to Twig are references to the live objects, it is also possible to also manipulate model data if models are passed directly to Twig, including changing attributes or even removing records entirely. In most cases, this is unwanted behavior and potentially dangerous. To actively exploit this security issue, an attacker would need access to the Backend with a user account with any of the following permissions: `cms.manage_layouts`; `cms.manage_pages`; or `cms.manage_partials`. The Winter CMS maintainers strongly recommend that these permissions only be reserved to trusted administrators and developers in general. The maintainers of Winter CMS have significantly increased the scope of the sandbox, effectively making all models and datasources read-only in Twig, in versions 1.2.7, 1.1.11, and 1.0.476. Thse who cannot upgrade may apply commit fb88e6fabde3b3278ce1844e581c87dcf7daee22 to their Winter CMS installation manually to resolve the issue. In the rare event that a Winter user was relying on being able to write to models/datasources within their Twig templates, they should instead use or create components to make changes to their models."}, {"lang": "es", "value": "Winter es un sistema de gesti\u00f3n de contenido (CMS) gratuito y de c\u00f3digo abierto basado en el marco PHP Laravel. Las versiones anteriores a las 1.2.7, 1.1.11 y 1.0.476 de Winter CMS permiten a los usuarios con acceso a las secciones de plantillas de CMS que modifican archivos Twig eludir la zona protegida colocada en los archivos Twig y modificar recursos como los valores de personalizaci\u00f3n del tema o modificar o eliminar plantillas en el tema incluso si no se les proporciona acceso directo a trav\u00e9s de los permisos. Como todos los objetos que pasan a trav\u00e9s de Twig son referencias a los objetos activos, tambi\u00e9n es posible manipular los datos del modelo si los modelos se pasan directamente a Twig, incluido el cambio de atributos o incluso la eliminaci\u00f3n de registros por completo. En la mayor\u00eda de los casos, este es un comportamiento no deseado y potencialmente peligroso. Para explotar activamente este problema de seguridad, un atacante necesitar\u00eda acceso al backend con una cuenta de usuario con cualquiera de los siguientes permisos: `cms.manage_layouts`; `cms.manage_pages`; o `cms.manage_partials`. El fabricante Winter CMS recomienda encarecidamente que estos permisos se reserven \u00fanicamente para administradores y desarrolladores de confianza en general. Los encargados del mantenimiento de Winter CMS han aumentado significativamente el alcance de la sandbox, haciendo que todos los modelos y fuentes de datos sean de solo lectura en Twig, en las versiones 1.2.7, 1.1.11 y 1.0.476. Aquellos que no puedan actualizar pueden aplicar el commit. fb88e6fabde3b3278ce1844e581c87dcf7daee22 a su instalaci\u00f3n de Winter CMS manualmente para resolver el problema. En el caso poco frecuente de que un usuario de Winter dependa de poder escribir en modelos/fuentes de datos dentro de sus plantillas de Twig, deber\u00eda usar o crear componentes para realizar cambios en sus modelos."}], "id": "CVE-2024-54149", "lastModified": "2026-06-17T08:09:51.670", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.4, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-54149", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-12-10T16:11:07.059128Z", "version": "2.0.3"}}]}, "published": "2024-12-09T21:15:08.600", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/wintercms/winter/commit/fb88e6fabde3b3278ce1844e581c87dcf7daee22"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/wintercms/winter/security/advisories/GHSA-xhw3-4j3m-hq53"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-184"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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