Gutenberg Blocks by Kadence Blocks – Page Builder Features, CVE-2026-18435

CVE, Research URL: CVE-2026-18435
Home page URL: Security reports for Gutenberg Blocks by Kadence Blocks – Page Builder Features
Application: Gutenberg Blocks by Kadence Blocks – Page Builder Features
Published on: Aug 01, 2026
Research Description: The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'toggleIcon' Block Attribute in all versions up to, and including, 3.7.8 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.
Affected versions: max 3.7.8.1.
Status: vulnerable