CVE-2018-19277

Public Exploit

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

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 1.87% Top 20%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory drupal.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/PHPOffice/PhpSpreadsheet/issues/771 third party advisory exploit
https://www.bishopfox.com/news/2018/11/phpoffice-versions/ broken link
https://github.com/MewesK/TwigSpreadsheetBundle/issues/18 third party advisory
https://www.drupal.org/sa-contrib-2021-043 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-19277?
CVE-2018-19277 has been scored as a high severity vulnerability.
How to fix CVE-2018-19277?
To fix CVE-2018-19277, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-19277 being actively exploited in the wild?
It is possible that CVE-2018-19277 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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