CVE-2026-34071

{"id": "CVE-2026-34071", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "published": "2026-03-26T17:16:41.647", "references": [{"url": "https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-xmhg-fv84-jgfc", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. In version 2.7.3, the /api/v1/convert/eml/pdf endpoint with parameter downloadHtml=true returns unsanitized HTML from the email body with Content-Type: text/html. An attacker who sends a malicious email to a Stirling-PDF user can achieve JavaScript execution when that user exports the email using the \"Download HTML intermediate file\" feature. Version 2.8.0 fixes the issue."}, {"lang": "es", "value": "Stirling-PDF es una aplicaci\u00f3n web alojada localmente que le permite realizar varias operaciones en archivos PDF. En la versi\u00f3n 2.7.3, el endpoint /API/v1/convert/eml/pdf con el par\u00e1metro downloadHtml=true devuelve HTML sin sanear del cuerpo del correo electr\u00f3nico con Content-Type: text/html. Un atacante que env\u00eda un correo electr\u00f3nico malicioso a un usuario de Stirling-PDF puede lograr la ejecuci\u00f3n de JavaScript cuando ese usuario exporta el correo electr\u00f3nico utilizando la funci\u00f3n 'Descargar archivo HTML intermedio'. La versi\u00f3n 2.8.0 corrige el problema."}], "lastModified": "2026-05-14T20:04:44.610", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:stirling:stirling_pdf:2.7.3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "05C89DFE-4268-4098-ADC1-9678605892D9"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}