6.1
Medium
CVE-2026-3001 The Gutenverse plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in all…
Description
The Gutenverse plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in all versions up to, and including, 3.4.6 due to insufficient input sanitization and output escaping. Specifically, the `render_content()` method in `class-search-result-title.php` outputs the value of `get_query_var('s')` directly into the page HTML without applying `esc_html()` or any other escaping function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages via a crafted URL that execute if a user clicks the link, provided the `gutenverse/search-result-title` block is present on the site's search results template.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Gutenverse – WordPress Blocks, Page Builder & Site Editor 3.4 | earliest → 3.4.6 | No fix stated |
Other CVEs of Gutenverse – WordPress Blocks, Page Builder & Site Editor
The 5 CVEs of Gutenverse – WordPress Blocks, Page Builder & Site Editor →
CVE-2026-92746
The Gutenverse – WordPress Blocks, Page Builder & Site Editor plugin for WordPress is vulnerable to Stored Cross-Site…
6.4
Medium
CVE-2026-3002
The Gutenverse – Ultimate WordPress FSE Blocks Addons & Ecosystem plugin for WordPress is vulnerable to Stored…
6.4
Medium
CVE-2026-19943
The Gutenverse – WordPress Blocks, Page Builder & Site Editor plugin for WordPress is vulnerable to Stored Cross-Site…
6.4
Medium
CVE-2026-12399
The Gutenverse – WordPress Blocks, Page Builder & Site Editor plugin for WordPress is vulnerable to Stored Cross-Site…
4.4
Medium