CVE-2025-54370: PhpSpreadsheet vulnerable to SSRF when reading and displaying a processed HTML document in the browser

CVE-2025-54370 · Severity: medium · CVSS 4 · Published 2025-08-25

PhpSpreadsheet vulnerable to SSRF when reading and displaying a processed HTML document in the browser

Technologies: phpoffice/phpspreadsheet (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2025-54370 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2025-54370 being exploited in the wild.
How severe is CVE-2025-54370?
Medium severity, with a CVSS score of 4, published 25 August 2025.
Which products and versions are affected?
phpoffice/phpspreadsheet (Packagist) ECOSYSTEM:introduced=0,fixed=1.30.0.
Is there a fix for CVE-2025-54370?
Yes. phpoffice/phpspreadsheet (Packagist): upgrade to 1.30.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2025-54370?
Check whether you run phpoffice/phpspreadsheet (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • phpoffice/phpspreadsheet (Packagist): upgrade to 1.30.0 or later
    composer require phpoffice/phpspreadsheet:^1.30.0

Affected products

  • phpoffice/phpspreadsheet (Packagist) ECOSYSTEM:introduced=0,fixed=1.30.0

Identifiers

  • CVE-2025-54370
  • GHSA-rx7m-68vc-ppxh

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