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TI-2026-02543 Aliases CVE-2026-2951GHSA-vrq9-2rh7-jjg5

Cross-site scripting in Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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 Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 3.5.5 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00168 6th 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
gutentorGutentor – Gutenberg Blocks – Page Builder for Gutenberg Editorup to 3.5.5—No fix listedCNA
  • Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor Vendorgutentor Affected up to 3.5.5 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-2026-2951
  2. 2026-10-03 Alias added: GHSA-vrq9-2rh7-jjg5

References

Other 2

  • TI-2024-05033 Gutentor < 3.3.6 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2025-01731 Gutentor < 3.4.7 - Admin+ SQL Injection CVSS 3.1MEDIUM 4.1
  • TI-2025-36348 WordPress Gutentor plugin <= 3.5.2 - Broken Access Control vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2025-16197 WordPress Gutentor plugin <= 3.4.3 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5
  • TI-2024-05243 Cross-site scripting in BlossomThemes Social Feed CVSS 3.1MEDIUM 6.4
  • TI-2025-04183 Cross-site scripting in Gutentor – Gutenberg Blocks – Page Builder for Gutenberg Editor CVSS 3.1MEDIUM 6.4
See all 9 →

Sources

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