CVE-2024-56365
low-risk
Published 2025-01-03
PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 are vulnerable to unauthorized reflected cross-site scripting in the constructor of the `Downloader` class. Using the `/vendor/phpoffice/phpspreadsheet/samples/download.php` script, an attacker can perform a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.
Do I need to act?
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0.67% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.4/10
Medium
NETWORK
/ LOW complexity
Affected Products (1)
Affected Vendors
28
/ 100
low-risk
Severity
21/34 · High
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal