Vulnerability in Interactive Content – H5P — CVE-2026-112867

What to do now

Update Interactive Content – H5P to 1.17.10 or later.

Affected versions

• Everything up to and including 1.17.9

The Interactive Content – H5P plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 1.17.9. This is due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

This description is reproduced verbatim from the public vulnerability record.

• https://www.wordfence.com/threat-intel/vulnerabilities/id/ec0fb31d-162f-49c2-b59b-8d700c3e5485?source=api-prod

Part of this record comes from Wordfence Intelligence. Original: https://www.wordfence.com/threat-intel/vulnerabilities/id/ec0fb31d-162f-49c2-b59b-8d700c3e5485
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