Essential Blocks <= 6.3.0 - Unauthenticated Information Exposure

5.3
Exposure of Sensitive Information to an Unauthorized Actor
CVE CVE-2026-13153
CVSS 5.3 (Medium)
Publicly Published August 3, 2026
Last Updated August 17, 2026
Researcher Revanth Hari Narayana Matte

Description

The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.3.0. This makes it possible for unauthenticated attackers to extract sales data.

References

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Vulnerability Details for Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns

Software Type Plugin
Software Slug essential-blocks (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.4.0, or a newer patched version
Affected Version
  • <= 6.3.0
Patched Version
  • 6.4.0

Recent vulnerabilities in Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns

# Title CVE ID CVSS Researchers Date
1 Essential Blocks <= 6.3.0 - Unauthenticated Information Exposure CVE-2026-13154 5.3 Muni Nitish Kumar Yaddala August 3, 2026
2 Gutenberg Essential Blocks - Page Builder for Gutenberg Blocks & Patterns <= 6.1.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'configurablePrefix' Block Attribute CVE-2026-10833 6.4 Viet Anh Ngo June 24, 2026
3 Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns <= 6.1.3 - Authenticated (Author+) Server-Side Request Forgery CVE-2026-10586 7.2 Shambles June 4, 2026
4 Gutenberg Essential Blocks <= 6.0.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes CVE-2026-4658 6.4 AlexHenry, normaandersonfrank May 1, 2026
5 Essential Blocks <= 5.7.2 - Missing Authorization To Authenticated (Author+) Information Disclosure CVE-2025-11369 4.3 Dmitrii Ignatyev December 16, 2025
6 Essential Blocks <= 5.7.1 - Authenticated (Author+) Server-Side Request Forgery CVE-2025-11361 6.4 Dmitrii Ignatyev October 17, 2025
7 Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns <= 5.7.1 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-11270 6.4 Rafshanzani Suhada October 17, 2025
8 Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.4.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Slider and Post Carousel Widgets CVE-2025-4682 6.4 Webbernaut May 26, 2025
9 Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.3.1 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2025-1664 6.4 Webbernaut March 7, 2025
10 Essential Blocks – Page Builder Gutenberg Blocks, Patterns & Templates <= 5.2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-13803 6.4 zer0gh0st February 25, 2025

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