CVE-2018-19277

PoC —

CVSS 3.1

8.8 high

EPSS

8%p94

Published

Nov 14, 2018 (Nov 14, 2018)

Modified

Jun 17, 2026

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

Vendors: phpoffice
Products: phpspreadsheet
Weakness: CWE-91
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (7.8%)

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