TI-2024-04068 Aliases CVE-2024-4366

Spectra – WordPress Gutenberg Blocks <= 2.13.0 - Authenticated (Author+) Stored Cross-Site Scripting

LOW 30CWE-79Published 2024-05-24 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
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 Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘block_id’ parameter in versions up to, and including, 2.13.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level permissions 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 0.00263 18th 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: Total

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Brainstorm Force	Spectra Gutenberg Blocks – Website Builder for the Block Editor	up to 2.13.0	—	No fix listed	CNA

Spectra Gutenberg Blocks – Website Builder for the Block Editor VendorBrainstorm Force Affected up to 2.13.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:brainstormforce:spectra::::::wordpress::*	before 2.13.1	Vulnerable	Brainstorm Force

cpe:2.3:a:brainstormforce:spectra:*:*:*:*:*:wordpress:*:* Versions before 2.13.1 Vulnerable ·Brainstorm Force

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2024-4366

References

Patch 1

https://plugins.trac.wordpress.org/changeset/3080971/

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/72a74483-e159-4c51-a9e0-4a128cbf72dd?source=cve

TI-2020-18849 Spectra < 1.15.0 - Contributor+ Stored Cross-Side Scripting CVSS 3.1MEDIUM 5.4
TI-2023-09633 Missing authorization in Brainstorm Force Spectra CVSS 3.1CRITICAL 9.8
TI-2023-09624 Missing authorization in Brainstorm Force Spectra CVSS 3.1HIGH 8.8
TI-2024-25021 WordPress Spectra plugin <= 2.13.7 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
TI-2023-18491 WordPress Spectra plugin <= 2.6.6 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
TI-2023-09549 WordPress Spectra – WordPress Gutenberg Blocks plugin <= 2.3.0 - Unauthenticated Email HTML Injection Vulnerability CVSS 3.1MEDIUM 6.1

See all 17 →

Sources

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