What’s Vulnerable › Vulnerabilities

CVE-2026-3001: Gutenverse <= 3.4.6 - Reflected Cross-Site Scripting via 's' Parameter

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-79

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

• jegstudio Gutenverse – WordPress Blocks, Page Builder & Site Editor: through 3.4.6

References

• https://plugins.trac.wordpress.org/browser/gutenverse/trunk/includes/block/class-search-result-title.php#L29
• https://plugins.trac.wordpress.org/changeset/3468383/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/23518a21-7b76-4edb-9a35-b6f623ed50a7?source=cve

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