Spectra <= 2.6.6 - Missing Authorization

4.3
Missing Authorization
CVE CVE-2023-36676
CVSS 4.3 (Medium)
Publicly Published July 14, 2023
Last Updated June 21, 2024
Researcher Rafie Muhammad - Awesome Motive, Inc.

Description

The Spectra – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 2.6.6. This makes it possible for authenticated attackers, with Contributor-level access and above, to perform an unauthorized action.

References

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Vulnerability Details for Spectra Legacy – Gutenberg Blocks

Software Type Plugin
Software Slug ultimate-addons-for-gutenberg (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.6.7, or a newer patched version
Affected Version
  • <= 2.6.6
Patched Version
  • 2.6.7

Recent vulnerabilities in Spectra Legacy – Gutenberg Blocks

# Title CVE ID CVSS Researchers Date
1 Spectra Gutenberg Blocks <= 2.19.25 - Authenticated (Contributor+) Remote Code Execution via Arbitrary PHP Function Call via Block Attributes CVE-2026-7465 8.8 kai63001 May 29, 2026
2 Spectra <= 2.19.22 - Missing Authorization CVE-2026-42648 4.3 Trương Hữu Phúc (truonghuuphuc) March 27, 2026
3 Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Information Disclosure in Sensitive Data CVE-2026-0950 5.3 johska February 2, 2026
4 Spectra <= 2.19.17 - Missing Authorization CVE-2026-24982 5.3 Bao - BlueRock January 17, 2026
5 Spectra <= 2.19.14 - Authenticated (Contributor+) Stored Cross-Site Scripting via Custom CSS CVE-2025-11162 6.4 Muhammad Yudha - DJ November 4, 2025
6 Spectra – WordPress Gutenberg Blocks <= 2.19.0 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-1784 6.4 Peter Thaleikis March 25, 2025
7 Spectra – WordPress Gutenberg Blocks <= 2.16.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Team Widget CVE-2024-10484 6.4 zer0gh0st December 2, 2024
8 Spectra – WordPress Gutenberg Blocks <= 2.15.0 - Authenticated (Contributor+) Stored Cross-site Scripting CVE-2024-7590 6.4 João Pedro Soares de Alcântara August 7, 2024
9 Spectra <= 2.13.7 - Missing Authorization via generate_ai_content CVE-2024-37517 4.3 Rafie Muhammad July 5, 2024
10 Spectra – WordPress Gutenberg Blocks <= 2.13.0 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2024-4366 6.4 Ngô Thiên An (ancorn_) May 23, 2024

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