Cross-Site Scripting Vulnerability in PhpSpreadsheet Library by PHPOffice
CVE-2024-56408

8.3HIGH

Key Information:

Vendor

PHPoffice

Status
PHPspreadsheet
Vendor
CVE Published:
3 January 2025

What is CVE-2024-56408?

A vulnerability exists within the PhpSpreadsheet PHP library due to improper sanitization present in the '/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php' file, allowing the potential for cross-site scripting (XSS) attacks. Users utilizing PhpSpreadsheet versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 are susceptible unless they update to the patched versions that effectively address this security flaw.

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Deploy the Patch

Affected Version(s)

PhpSpreadsheet >= 3.0.0, < 3.7.0 < 3.0.0, 3.7.0

PhpSpreadsheet < 1.29.7 < 1.29.7

PhpSpreadsheet >= 2.0.0, < 2.1.6 < 2.0.0, 2.1.6

References

https://github.com/PHPOffice/PhpSpreadsheet/security/advi...
x_refsource_CONFIRM
https://github.com/PHPOffice/PhpSpreadsheet/commit/700a80...
x_refsource_MISC
https://github.com/PHPOffice/PhpSpreadsheet/commit/9b9a55...
x_refsource_MISC

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

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