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TI-2026-02590 Aliases CVE-2026-3001GHSA-ch38-8ggq-4hxr

Gutenverse <= 3.4.6 - Reflected Cross-Site Scripting via 's' Parameter

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
jegstudioGutenverse – WordPress Blocks, Page Builder & Site Editorup to 3.4.6—No fix listedCNA
  • Gutenverse – WordPress Blocks, Page Builder & Site Editor Vendorjegstudio Affected up to 3.4.6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-3001
  2. 2026-10-03 Alias added: GHSA-ch38-8ggq-4hxr
  3. 2026-10-21 EPSS moved to the 50th–90th percentile
  4. 2026-10-25 EPSS moved to the below the 50th percentile

References

Other 3

  • TI-2024-03445 Gutenverse < 1.9.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.1
  • TI-2026-39635 WordPress Gutenverse Companion plugin <= 2.5.0 - Broken Access Control vulnerability CVSS 3.1HIGH 7.5
  • TI-2026-47372 WordPress Gutenverse Companion plugin <= 2.5.1 - Server Side Request Forgery (SSRF) vulnerability CVSS 3.1HIGH 7.2
  • TI-2025-40604 WordPress Gutenverse Form plugin <= 2.2.0 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2023-17946 Missing authorization in jegstudio Gutenverse CVSS 3.1MEDIUM 5.3
  • TI-2026-62492 Cross-site scripting in jegstudio Gutenverse – WordPress Blocks, Page Builder & Site… CVSS 3.1MEDIUM 6.4
See all 23 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences