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
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| jegstudio | Gutenverse – WordPress Blocks, Page Builder & Site Editor | ≤ 3.4.6 | — |
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- Gutenverse Plugin <= 3.4.6 - Cross-Site Scripting http/cves/2026/CVE-2026-3001.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.