Vulnerability in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor — CVE-2026-105890

What to do now

Update Kadence Blocks — Page Builder Toolkit for Gutenberg Editor to 3.7.12.1 or later.

Affected versions

• Everything up to and including 3.7.12

The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 3.7.12. 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/7d9f27e4-2261-4e33-838c-93f4fabad80e?source=api-prod

Part of this record comes from Wordfence Intelligence. Original: https://www.wordfence.com/threat-intel/vulnerabilities/id/7d9f27e4-2261-4e33-838c-93f4fabad80e
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