Stored Cross-Site Scripting via file upload in H5P module (h5p-nodejs-library) of Lumi Education

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Affected scope and exposure questions

The current feed maps Lumi Education UG/h5p-nodejs-library (generic). Check affected ranges and fixed versions before updating.

Recommended response

1. 1Check inventory. Check lockfiles and deployed manifests for Lumi Education UG/h5p-nodejs-library.
2. 2Review the reported fix. Update Lumi Education UG/h5p-nodejs-library to 10.0.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

1. Published upstream

   Sep 9, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

2. Source modified

   Sep 9, 2026

   Evidence: source:cvelist:source_dates:source-dates:record

3. First seen by HOL

   Sep 9, 2026

Sources and claim methodology

• GitHub security advisorygithub.com
• Source referenceschutzwerk.com

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