The Plus Blocks for Block Editor | Gutenberg, CVE-2026-6740

CVE, Research URL: CVE-2026-6740
Home page URL: Security reports for The Plus Blocks for Block Editor | Gutenberg
Application: The Plus Blocks for Block Editor | Gutenberg
Published on: Jul 08, 2026
Research Description: The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'commentIcon' parameter in all versions up to, and including, 4.7.4 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 4.7.5.
Status: vulnerable