CVE-2026-56006: h5p

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in H5P <= 1.17.6 versions.

Affected products

• h5p h5p: up to and including 1.17.6

Published 2026-06-25. Last modified 2026-06-25.