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{"cveTags": [], "descriptions": [{"lang": "en", "value": "SimpleXLSX is software for parsing and retrieving data from Excel XLSx files. Starting in version 1.0.12 and prior to version 1.1.12, when calling the extended toHTMLEx method, it is possible to execute arbitrary JavaScript code. Version 1.1.12 fixes the issue. As a workaround, don't use direct publication via toHTMLEx."}, {"lang": "es", "value": "SimpleXLSX es un software para analizar y recuperar datos de archivos XLSx de Excel. A partir de la versi\u00f3n 1.0.12 y anteriores a la versi\u00f3n 1.1.12, al llamar al m\u00e9todo extendido toHTMLEx, es posible ejecutar c\u00f3digo JavaScript arbitrario. La versi\u00f3n 1.1.12 soluciona el problema. Como workaround, no utilice la publicaci\u00f3n directa a trav\u00e9s de toHTMLEx."}], "id": "CVE-2024-55878", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2024-12-12T20:15:21.493", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/shuchkin/simplexlsx/commit/cb4e716259e83d18e89292a4f1b721f4d34e28c2"}, {"source": "security-advisories@github.com", "url": "https://github.com/shuchkin/simplexlsx/security/advisories/GHSA-x6mh-rjwm-8ph7"}], "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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