{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-47946", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2025-05-14T10:32:43.530Z", "datePublished": "2025-05-19T19:25:19.350Z", "dateUpdated": "2025-05-20T13:01:10.237Z"}, "containers": {"cna": {"title": "symfony/ux-live-component and symfony/ux-twig-component vulnerable to unsanitized HTML attribute injection via ComponentAttributes", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "references": [{"name": "https://github.com/symfony/ux/security/advisories/GHSA-5j3w-5pcr-f8hg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/symfony/ux/security/advisories/GHSA-5j3w-5pcr-f8hg"}, {"name": "https://github.com/symfony/ux/commit/b5d1c85995c128cb926d47a96cfbfbd500b643a8", "tags": ["x_refsource_MISC"], "url": "https://github.com/symfony/ux/commit/b5d1c85995c128cb926d47a96cfbfbd500b643a8"}], "affected": [{"vendor": "symfony", "product": "ux", "versions": [{"version": "< 2.25.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2025-05-19T19:25:19.350Z"}, "descriptions": [{"lang": "en", "value": "Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering `{{ attributes }}` or using any method that returns a `ComponentAttributes` instance (e.g. `only()`, `defaults()`, `without()`) ouputs attribute values directly without escaping. If these values are unsafe (e.g. contain user input), this can lead to HTML attribute injection and XSS vulnerabilities. The issue is fixed in version `2.25.1` of `symfony/ux-twig-component` Those who use `symfony/ux-live-component` must also update it to `2.25.1` to benefit from the fix, as it reuses the `ComponentAttributes` class internally. As a workaround, avoid rendering `{{ attributes }}` or derived objects directly if it may contain untrusted values.\nInstead, use `{{ attributes.render('name') }}` for safe output of individual attributes."}], "source": {"advisory": "GHSA-5j3w-5pcr-f8hg", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-05-20T13:01:03.682812Z", "id": "CVE-2025-47946", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-20T13:01:10.237Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Symfony UX is an initiative and set of libraries to integrate JavaScript tools into applications. Prior to version 2.25.1, rendering `{{ attributes }}` or using any method that returns a `ComponentAttributes` instance (e.g. `only()`, `defaults()`, `without()`) ouputs attribute values directly without escaping. If these values are unsafe (e.g. contain user input), this can lead to HTML attribute injection and XSS vulnerabilities. The issue is fixed in version `2.25.1` of `symfony/ux-twig-component` Those who use `symfony/ux-live-component` must also update it to `2.25.1` to benefit from the fix, as it reuses the `ComponentAttributes` class internally. As a workaround, avoid rendering `{{ attributes }}` or derived objects directly if it may contain untrusted values.\nInstead, use `{{ attributes.render('name') }}` for safe output of individual attributes."}, {"lang": "es", "value": "Symfony UX es una iniciativa y un conjunto de librer\u00edas para integrar herramientas de JavaScript en aplicaciones. Antes de la versi\u00f3n 2.25.1, renderizar `{{ atributos }}` o usar cualquier m\u00e9todo que devuelva una instancia de `ComponentAttributes` (por ejemplo, `only()`, `defaults()`, `without()`) genera valores de atributos directamente sin escapar. Si estos valores no son seguros (por ejemplo, contienen entrada del usuario), esto puede llevar a la inyecci\u00f3n de atributos HTML y vulnerabilidades XSS. El problema se solucion\u00f3 en la versi\u00f3n `2.25.1` de `symfony/ux-twig-component` Aquellos que usan `symfony/ux-live-component` tambi\u00e9n deben actualizarlo a `2.25.1` para beneficiarse de la correcci\u00f3n, ya que reutiliza la clase `ComponentAttributes` internamente. Como workaround, evite renderizar `{{ atributos }}` u objetos derivados directamente si puede contener valores no confiables. En su lugar, utilice `{{attributes.render('name') }}` para una salida segura de atributos individuales."}], "id": "CVE-2025-47946", "lastModified": "2026-04-15T00:35:42.020", "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"}]}, "published": "2025-05-19T20:15:26.150", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/commit/b5d1c85995c128cb926d47a96cfbfbd500b643a8"}, {"source": "security-advisories@github.com", "url": "https://github.com/symfony/ux/security/advisories/GHSA-5j3w-5pcr-f8hg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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