{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31938", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-10T15:10:10.655Z", "datePublished": "2026-03-18T03:05:44.964Z", "dateUpdated": "2026-03-18T13:59:51.966Z"}, "containers": {"cna": {"title": "jsPDF has HTML Injection in New Window paths", "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": "LOW", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/parallax/jsPDF/security/advisories/GHSA-wfv2-pwc8-crg5", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/parallax/jsPDF/security/advisories/GHSA-wfv2-pwc8-crg5"}, {"name": "https://github.com/parallax/jsPDF/commit/87a40bbd07e6b30575196370670b41f264aa78d7", "tags": ["x_refsource_MISC"], "url": "https://github.com/parallax/jsPDF/commit/87a40bbd07e6b30575196370670b41f264aa78d7"}, {"name": "https://github.com/parallax/jsPDF/releases/tag/v4.2.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/parallax/jsPDF/releases/tag/v4.2.1"}], "affected": [{"vendor": "parallax", "product": "jsPDF", "versions": [{"version": "< 4.2.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-18T03:05:44.964Z"}, "descriptions": [{"lang": "en", "value": "jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of the `options` argument of the `output` function allows attackers to inject arbitrary HTML (such as scripts) into the browser context the created PDF is opened in. The vulnerability can be exploited in the following scenario: the attacker provides values for the output options, for example via a web interface. These values are then passed unsanitized (automatically or semi-automatically) to the attack victim. The victim creates and opens a PDF with the attack vector using one of the vulnerable method overloads inside their browser. The attacker can thus inject scripts that run in the victims browser context and can extract or modify secrets from this context. The vulnerability has been fixed in jspdf@4.2.1. As a workaround, sanitize user input before passing it to the output method."}], "source": {"advisory": "GHSA-wfv2-pwc8-crg5", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-18T13:59:39.345496Z", "id": "CVE-2026-31938", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-18T13:59:51.966Z"}}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:parall:jspdf:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "E32C16E0-23FB-49ED-B364-2170D7FC9935", "versionEndExcluding": "4.2.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "jsPDF is a library to generate PDFs in JavaScript. Prior to version 4.2.1, user control of the `options` argument of the `output` function allows attackers to inject arbitrary HTML (such as scripts) into the browser context the created PDF is opened in. The vulnerability can be exploited in the following scenario: the attacker provides values for the output options, for example via a web interface. These values are then passed unsanitized (automatically or semi-automatically) to the attack victim. The victim creates and opens a PDF with the attack vector using one of the vulnerable method overloads inside their browser. The attacker can thus inject scripts that run in the victims browser context and can extract or modify secrets from this context. The vulnerability has been fixed in jspdf@4.2.1. As a workaround, sanitize user input before passing it to the output method."}, {"lang": "es", "value": "jsPDF es una biblioteca para generar PDFs en JavaScript. Antes de la versi\u00f3n 4.2.1, el control del usuario sobre el argumento 'options' de la funci\u00f3n 'output' permite a los atacantes inyectar HTML arbitrario (como scripts) en el contexto del navegador en el que se abre el PDF creado. La vulnerabilidad puede ser explotada en el siguiente escenario: el atacante proporciona valores para las opciones de salida, por ejemplo, a trav\u00e9s de una interfaz web. Estos valores se pasan luego sin sanear (autom\u00e1tica o semi-autom\u00e1ticamente) a la v\u00edctima del ataque. La v\u00edctima crea y abre un PDF con el vector de ataque utilizando una de las sobrecargas de m\u00e9todo vulnerables dentro de su navegador. El atacante puede as\u00ed inyectar scripts que se ejecutan en el contexto del navegador de la v\u00edctima y puede extraer o modificar secretos de este contexto. La vulnerabilidad ha sido corregida en jspdf@4.2.1. Como soluci\u00f3n alternativa, sanear la entrada del usuario antes de pasarla al m\u00e9todo de salida."}], "id": "CVE-2026-31938", "lastModified": "2026-03-18T18:02:15.640", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.6, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 6.0, "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"}]}, "published": "2026-03-18T04:17:23.507", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/parallax/jsPDF/commit/87a40bbd07e6b30575196370670b41f264aa78d7"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/parallax/jsPDF/releases/tag/v4.2.1"}, {"source": "security-advisories@github.com", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://github.com/parallax/jsPDF/security/advisories/GHSA-wfv2-pwc8-crg5"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

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