CVE-2025-54370
PhpOffice/PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files.
Overview
CVE-2025-54370 is a known-severity vulnerability. It was published on August 25, 2025.
Technical description
PhpOffice/PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to versions 1.30.0, 2.1.12, 2.4.0, 3.10.0, and 5.0.0, SSRF can occur when a processed HTML document is read and displayed in the browser. The vulnerability lies in the setPath method of the PhpOffice\PhpSpreadsheet\Worksheet\Drawing class, where a crafted string from the user is passed to the HTML reader. This issue has been patched in versions 1.30.0, 2.1.12, 2.4.0, 3.10.0, and 5.0.0.
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
References
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Frequently asked questions
What is CVE-2025-54370?
CVE-2025-54370 is a known-severity vulnerability. It was published on August 25, 2025.
How severe is CVE-2025-54370?
CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.
How do I fix or remediate CVE-2025-54370?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-54370?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-54370 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.