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CVE-2024-45291: PhpSpreadsheet allows absolute path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled

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

PhpSpreadsheet allows absolute path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled

Package
phpoffice/phpexcel Composer
Affected versions
<=1.8.2
Fixed in
no fix recorded
Severity
medium  CVSS 6.3
Exploitation
not on CISA KEV · EPSS 1% (58.5th percentile)
Published
2024-10-07
Source
osv.dev

References

PhpSpreadsheet allows absolute path traversal and Server-Side Request Forgery in HTML writer when embedding images is enabled

Package
phpoffice/phpspreadsheet Composer
Affected versions
>=2.2.0 and <2.3.0 or <1.29.2 or >=2.0.0 and <2.1.1
Fixed in
2.3.0, 1.29.2, 2.1.1
Severity
medium  CVSS 6.3
Exploitation
not on CISA KEV · EPSS 1% (58.5th percentile)
Published
2024-10-07
Source
osv.dev

References

CWE-22CWE-36CWE-918
NVD recordphpoffice/phpexcel advisoriesphpoffice/phpspreadsheet advisories

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