Vulnerability in Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE — CVE-2026-109936

What to do now

Update Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE to 3.2.8 or later.

Affected versions

• Everything before 3.2.8

The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to 3.2.8. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers 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/edb82429-e054-44c0-8c99-3d7dc6937822?source=api-prod

Part of this record comes from Wordfence Intelligence. Original: https://www.wordfence.com/threat-intel/vulnerabilities/id/edb82429-e054-44c0-8c99-3d7dc6937822
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