CVE-2018-19277: XXE in PHPSpreadsheet due to encoding issue

high Affects phpoffice/phpexcel, phpoffice/phpspreadsheet. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

XXE in PHPSpreadsheet due to encoding issue

Package
phpoffice/phpexcel Composer
Affected versions
<1.8.2 or <1.8.0
Fixed in
1.8.2
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 8% (94.6th percentile)
Published
2019-11-20
Source
osv.dev

References

XXE in PHPSpreadsheet due to encoding issue

Package
phpoffice/phpspreadsheet Composer
Affected versions
<1.5.1
Fixed in
1.5.1
Severity
high  CVSS 8.8
Exploitation
not on CISA KEV · EPSS 8% (94.6th percentile)
Published
2019-11-20
Source
osv.dev

References

CWE-91
NVD recordphpoffice/phpexcel advisoriesphpoffice/phpspreadsheet advisories

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