CVE-2018-19277
XXE in PHPSpreadsheet due to encoding issue
8.8
HIGH
CVSS 3.1
EPSS 3.0%
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
How to fix CVE-2018-19277
To remediate CVE-2018-19277, upgrade the affected package to a fixed version below.
- Packagist/phpoffice/phpexcel—upgrade to 1.8.2 or later
- Packagist/phpoffice/phpspreadsheet—upgrade to 1.5.1 or later
Is CVE-2018-19277 being exploited?
Low — EPSS is 3.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.8.2
- from 0, < 1.5.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |