CVE-2018-19277

moderate-risk
Published 2018-11-14

securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file

Do I need to act?

~
3.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
1 public exploit available
46050
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Phpoffice

References (8)

Third Party Advisory https://github.com/MewesK/TwigSpreadsheetBundle/issues/18
Exploit https://github.com/PHPOffice/PhpSpreadsheet/issues/771
Broken Link https://www.bishopfox.com/news/2018/11/phpoffice-versions/
Third Party Advisory https://www.drupal.org/sa-contrib-2021-043
Third Party Advisory https://github.com/MewesK/TwigSpreadsheetBundle/issues/18
Exploit https://github.com/PHPOffice/PhpSpreadsheet/issues/771
Broken Link https://www.bishopfox.com/news/2018/11/phpoffice-versions/
Third Party Advisory https://www.drupal.org/sa-contrib-2021-043
41
/ 100
moderate-risk
Severity 30/34 · Critical
Exploitability 6/34 · Minimal
Exposure 5/34 · Minimal