CVE-2026-33437

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{"affected": [{"affectedData": [{"product": "Stirling-PDF", "vendor": "Stirling-Tools", "versions": [{"status": "affected", "version": "< 2.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. Prior to 2.0.0, the Get Info workflow in app/core/src/main/resources/templates/security/get-info-on-pdf.html inserts untrusted PDF Title and Author metadata into the summary-text element with innerHTML, allowing a malicious PDF to execute stored cross-site scripting when a user clicks Get Info and to access browser-session data or modify page content. This issue is fixed in version 2.0.0."}, {"lang": "es", "value": "Stirling-PDF es una aplicaci\u00f3n web alojada localmente que facilita varias operaciones en archivos PDF. Antes de la versi\u00f3n 2.0.0, el flujo de trabajo \u2019Get Info\u2019 en app/core/src/main/resources/templates/security/get-info-on-pdf.html inserta metadatos no confiables de T\u00edtulo y Autor del PDF en el elemento \u2019summary-text\u2019 con innerHTML, permitiendo que un PDF malicioso ejecute cross-site scripting almacenado cuando un usuario hace clic en \u2019Get Info\u2019 y acceda a datos de la sesi\u00f3n del navegador o modifique el contenido de la p\u00e1gina. Este problema est\u00e1 solucionado en la versi\u00f3n 2.0.0."}], "id": "CVE-2026-33437", "lastModified": "2026-10-23T16:10:00.313", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.2, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-33437", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-08-17T21:59:17.027299Z", "version": "2.0.3"}}]}, "published": "2026-08-17T18:16:35.650", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-qc47-qgh9-xj63"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.0)"}}], "enrichment": {"confidence": 88.0, "confidence_source": "matching", "scores": [{"score": 88.0, "source": "matching"}]}, "original": {"product": "Stirling-PDF", "source": "cna", "vendor": "Stirling-Tools"}, "product": "stirling_pdf", "vendor": "stirling"}], "created": "2026-08-17T20:00:04.774316+00:00", "updated": "2026-08-21T21:19:39.472979+00:00", "vendors": ["stirling", "stirling$PRODUCT$stirling_pdf"]}