High severity · published Nov 14, 2018
CVE-2018-19277
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
8.8
CVSS
7.8%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)7.8% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PH
Phpspreadsheet · Phpoffice
through 1.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-19277
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-19277
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
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