CVE-2018-19277

HighCVSS 8.8/10Last 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

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-91

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/MewesK/TwigSpreadsheetBundle/issues/18Third Party Advisory
https://github.com/PHPOffice/PhpSpreadsheet/issues/771Exploit, Third Party Advisory
https://www.bishopfox.com/news/2018/11/phpoffice-versions/Broken Link
https://www.drupal.org/sa-contrib-2021-043Third Party Advisory
https://github.com/MewesK/TwigSpreadsheetBundle/issues/18Third Party Advisory
https://github.com/PHPOffice/PhpSpreadsheet/issues/771Exploit, Third Party Advisory
https://www.bishopfox.com/news/2018/11/phpoffice-versions/Broken Link
https://www.drupal.org/sa-contrib-2021-043Third Party Advisory

Timeline

Published: Nov 14, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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