CVE-2024-21636

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Versions prior to 3.9.0 and 2.83.0 have a cross-site scripting vulnerability that has the potential to impact anyone rendering a component directly from a controller with the view_component gem. Note that only components that define a `#call` method (i.e. instead of using a sidecar template) are affected. The return value of the `#call` method is not sanitized and can include user-defined content. In addition, the return value of the `#output_postamble` methodis not sanitized, which can also lead to cross-site scripting issues. Versions 3.9.0 and 2.83.0 have been released and fully mitigate both the `#call` and the `#output_postamble` vulnerabilities. As a workaround, sanitize the return value of `#call`."}, {"lang": "es", "value": "view_component es un framework para crear componentes de vista reutilizables, comprobables y encapsulados en Ruby on Rails. Las versiones anteriores a la 3.9.0 tienen una vulnerabilidad de cross site scripting que tiene el potencial de afectar a cualquiera que renderice un componente directamente desde un controlador con la gema view_component. Tenga en cuenta que s\u00f3lo se ven afectados los componentes que definen un m\u00e9todo `#call` (es decir, en lugar de utilizar una plantilla complementaria). El valor de retorno del m\u00e9todo `#call` no est\u00e1 sanitizado y puede incluir contenido definido por el usuario. Adem\u00e1s, el valor de retorno del m\u00e9todo `#output_postamble` no est\u00e1 sanitizado, lo que tambi\u00e9n puede provocar problemas de cross site scripting. Se lanz\u00f3 la versi\u00f3n 3.9.0 y mitiga por completo las vulnerabilidades `#call` y `#output_postamble`. Como workaround, sanitice valor de retorno de `#call`."}], "id": "CVE-2024-21636", "lastModified": "2026-06-17T07:09:53.780", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-21636", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-01-09T21:13:15.952519Z", "version": "2.0.3"}}]}, "published": "2024-01-04T20:15:25.300", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/ViewComponent/view_component/commit/0d26944a8d2730ea40e60eae23d70684483e5017"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/ViewComponent/view_component/commit/c43d8bafa7117cbce479669a423ab266de150697"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/ViewComponent/view_component/pull/1950"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/ViewComponent/view_component/pull/1962"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-wf2x-8w6j-qw37"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/ViewComponent/view_component/commit/0d26944a8d2730ea40e60eae23d70684483e5017"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/ViewComponent/view_component/commit/c43d8bafa7117cbce479669a423ab266de150697"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/ViewComponent/view_component/pull/1950"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://github.com/ViewComponent/view_component/pull/1962"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/ViewComponent/view_component/security/advisories/GHSA-wf2x-8w6j-qw37"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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