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{"affected": [{"affectedData": [{"product": "nunjucks node module", "vendor": "HackerOne", "versions": [{"status": "affected", "version": "<=2.4.2"}]}], "source": "support@hackerone.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:nunjucks:*:*:*:*:*:*:*:*", "matchCriteriaId": "D82CA76B-B062-4E4A-85FA-5C56C70F76E8", "versionEndIncluding": "2.4.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Nunjucks is a full featured templating engine for JavaScript. Versions 2.4.2 and lower have a cross site scripting (XSS) vulnerability in autoescape mode. In autoescape mode, all template vars should automatically be escaped. By using an array for the keys, such as `name[]=<script>alert(1)</script>`, it is possible to bypass autoescaping and inject content into the DOM."}, {"lang": "es", "value": "Nunjucks es un motor de creaci\u00f3n de plantillas con funcionalidades completas para JavaScript. Las versiones 2.4.2 y anteriores tienen una vulnerabilidad de Cross-Site Scripting (XSS) en el modo autoescape. En este modo, todas las variables de plantilla deber\u00edan escaparse autom\u00e1ticamente. Mediante el uso de un array para las claves, como \"name[]=\", es posible omitir el autoescapado e inyectar contenido en el DOM."}], "id": "CVE-2016-10547", "lastModified": "2026-06-17T00:39:54.890", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-05-31T20:29:01.737", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/matt-/nunjucks_test"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mozilla/nunjucks/issues/835"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://nodesecurity.io/advisories/147"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/matt-/nunjucks_test"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/mozilla/nunjucks/issues/835"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://nodesecurity.io/advisories/147"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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