6.4
Medium
CVE-2026-6740 The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to Stored…
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 products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder 4.7 | earliest → 4.7.4 | No fix stated |
Other CVEs of Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder
The 4 CVEs of Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder →
CVE-2026-15420
The Nexter Blocks – Gutenberg Blocks, Page Builder & AI Website Builder plugin for WordPress is vulnerable to…
4.3
Medium
CVE-2025-8567
The Nexter Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple widgets in all versions…
6.4
Medium
CVE-2024-5020
Multiple plugins for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled FancyBox…
6.4
Medium