{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-27T07:31:05.936","vulnerabilities":[{"cve":{"id":"CVE-2024-47873","sourceIdentifier":"security-advisories@github.com","published":"2024-11-18T17:15:11.973","lastModified":"2025-03-07T17:07:20.133","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. The XmlScanner class has a scan method which should prevent XXE attacks. However, prior to versions 1.9.4, 2.1.3, 2.3.2, and 3.4.0, the regexes used in the `scan` method and the findCharSet method can be bypassed by using UCS-4 and encoding guessing. An attacker can bypass the sanitizer and achieve an XML external entity attack. Versions 1.9.4, 2.1.3, 2.3.2, and 3.4.0 fix the issue."},{"lang":"es","value":"PhpSpreadsheet es una librería PHP para leer y escribir archivos de hojas de cálculo. La clase XmlScanner tiene un método de escaneo que debería evitar ataques XXE. Sin embargo, antes de las versiones 1.9.4, 2.1.3, 2.3.2 y 3.4.0, las expresiones regulares utilizadas en el método `scan` y en el método findCharSet se pueden omitir utilizando UCS-4 y adivinando la codificación. Un atacante puede omitir el desinfectante y lograr un ataque de entidad externa XML. Las versiones 1.9.4, 2.1.3, 2.3.2 y 3.4.0 solucionan el problema."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-611"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*","versionEndExcluding":"1.29.4","matchCriteriaId":"9D7D4C48-5455-494C-962A-B8386CA53A62"},{"vulnerable":true,"criteria":"cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndExcluding":"2.1.3","matchCriteriaId":"18AFC177-DDB6-4C8C-96C7-F299CFA6C96D"},{"vulnerable":true,"criteria":"cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*","versionStartIncluding":"2.2.0","versionEndExcluding":"2.3.2","matchCriteriaId":"A7B91E75-3DDC-4395-B48C-A77147597F21"},{"vulnerable":true,"criteria":"cpe:2.3:a:phpoffice:phpspreadsheet:*:*:*:*:*:*:*:*","versionStartIncluding":"3.3.0","versionEndExcluding":"3.4.0","matchCriteriaId":"14F9EC71-3B04-4765-8437-4BEFBDEA8673"}]}]}],"references":[{"url":"https://github.com/PHPOffice/PhpSpreadsheet/blob/39fc51309181e82593b06e2fa8e45ef8333a0335/src/PhpSpreadsheet/Reader/Security/XmlScanner.php","source":"security-advisories@github.com","tags":["Product"]},{"url":"https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-jw4x-v69f-hh5w","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://owasp.org/www-community/vulnerabilities/XML_External_Entity_(XXE)_Processing","source":"security-advisories@github.com","tags":["Not Applicable"]},{"url":"https://www.w3.org/TR/xml/#sec-guessing-no-ext-info","source":"security-advisories@github.com","tags":["Technical Description"]}]}}]}