CVE-2018-19277

HIGH

PHPOffice PhpSpreadsheet <1.5.0 - XSS

Title source: llm

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

Exploits (1)

exploitdb WORKING POC
by Alex Leahu · textwebappsphp
https://www.exploit-db.com/exploits/46050

Scores

CVSS v3 8.8
EPSS 0.0315
EPSS Percentile 86.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-91
Status published
Products (3)
phpoffice/phpexcel 0 - 1.8.2Packagist
phpoffice/phpspreadsheet < 1.5.0
phpoffice/phpspreadsheet 0 - 1.5.1Packagist
Published Nov 14, 2018
Tracked Since Feb 18, 2026