{"cve":"CVE-2018-19277","nvd":{"published":"2018-11-14T11:29:07.920","modified":"2026-06-17T01:49:03.760","status":"Modified","description":"securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-91"],"references":["https://github.com/MewesK/TwigSpreadsheetBundle/issues/18","https://github.com/PHPOffice/PhpSpreadsheet/issues/771","https://www.bishopfox.com/news/2018/11/phpoffice-versions/","https://www.drupal.org/sa-contrib-2021-043","https://github.com/MewesK/TwigSpreadsheetBundle/issues/18"],"products":["phpoffice:phpspreadsheet"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-19277","score":0.07791,"percentile":0.94658,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}