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CVE-2026-13154— Essential Blocks < 6.4.0 - Unauthenticated Non-Public Custom Post Type Content Disclosure via queries Endpoint

Quick assessment

Affected
Unknown Gutenberg Essential Blocks
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress Gutenberg Essential Blocks是WordPress基金会的一款提供丰富内容区块的网页编辑器插件。 WordPress Gutenberg Essential Blocks 6.4.0之前版本存在信息泄露漏洞，该漏洞源于未验证攻击者提供的帖子类型是否可公开查看，允许未经身份验证的用户读取站点注册为非公开的自定义帖子类型的已发布条目。

AI Predicted 7.5 Difficulty: Easy EPSS 0.43% · P36

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Gutenberg Essential Blocks < 6.4.0 affected
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I. Basic Information for CVE-2026-13154

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Essential Blocks < 6.4.0 - Unauthenticated Non-Public Custom Post Type Content Disclosure via queries Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
The Gutenberg Essential Blocks WordPress plugin before 6.4.0 does not verify that an attacker-supplied post type is publicly viewable before querying it in one of its public REST routes, allowing unauthenticated users to read published entries of custom post types that the site registered as non-public.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Gutenberg Essential Blocks 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Gutenberg Essential Blocks是WordPress基金会的一款提供丰富内容区块的网页编辑器插件。 WordPress Gutenberg Essential Blocks 6.4.0之前版本存在信息泄露漏洞，该漏洞源于未验证攻击者提供的帖子类型是否可公开查看，允许未经身份验证的用户读取站点注册为非公开的自定义帖子类型的已发布条目。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Gutenberg Essential Blocks 0 ~ 6.4.0 -

II. Public POCs for CVE-2026-13154

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III. Intelligence Information for CVE-2026-13154

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Vendor Advisories for CVE-2026-13154 (1)

Same Patch Batch · Unknown · 2026-08-06 · 49 CVEs total

CVE-2026-11976 10.0 CRITICAL MonsterInsights Pro 10.2.0/10.2.2 - Backdoored via AWS S3 bucket compromise
CVE-2026-14812 10.0 CRITICAL Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)
CVE-2026-17032 9.8 CRITICAL Supsystic Multiple Pro Plugins - Backdoor via Compromised Vendor Update Server
CVE-2026-3430 8.6 HIGH Creative Mail 1.6.5 - 1.6.9 - Unauthenticated SQLi
CVE-2026-10599 7.5 HIGH Integrate PhonePe with WooCommerce <= 1.2.1 - Unauthenticated Payment Bypass via Transacti
CVE-2026-12584 7.5 HIGH Payment Gateway for Redsys & WooCommerce Lite < 7.0.2 - Unauthenticated Payment Confirmati
CVE-2026-13399 7.5 HIGH Payment Plugins for PayPal WooCommerce < 2.0.20 - Unauthenticated Payment Bypass via Reuse
CVE-2026-10524 7.5 HIGH CoCart < 4.9.0 - Unauthenticated Arbitrary Price Manipulation
CVE-2026-16620 7.5 HIGH WPC Name Your Price for WooCommerce < 2.2.5 - Unauthenticated Price Manipulation via Selec
CVE-2026-16619 7.5 HIGH miniOrange 2FA < 6.2.8 - 2FA Bypass via Unlimited Second-Factor Attempts
CVE-2026-5336 6.8 MEDIUM Dataverse Integration < 2.91 - Contributor+ Server-Side Template Injection (SSTI) to Infor
CVE-2026-12901 5.9 MEDIUM GetPaid < 2.8.55 - Unauthenticated Worldpay Payment Bypass via Insufficient IPN Verificati
CVE-2026-11361 5.9 MEDIUM Formidable Forms < 6.32.1 - Unauthenticated Payment Bypass via PayPal APPROVAL_PENDING Sub
CVE-2026-15152 5.3 MEDIUM WP Hotel Booking < 2.3.2 - Unauthenticated PayPal Payment Bypass
CVE-2026-14831 5.3 MEDIUM Easy Booking < 3.5.0 - Unauthenticated Minimum Booking Duration Bypass
CVE-2026-13342 5.3 MEDIUM Security Optimizer – The All-In-One Protection Plugin < 1.6.5 - Login Access IP Allowlist
CVE-2026-15149 5.3 MEDIUM WP Hotel Booking < 2.3.3 - Unauthenticated Payment Bypass via Price Manipulation
CVE-2026-16067 5.3 MEDIUM Event Booking Manager for WooCommerce (Pro) < 5.0.3 - Unauthenticated Payment Bypass via C
CVE-2026-15147 5.3 MEDIUM Five Star Restaurant Reservations < 2.7.23 - Unauthenticated Payment Bypass and Booking Co
CVE-2026-15208 5.3 MEDIUM RegistrationMagic < 6.0.9.5 - Unauthenticated Payment Bypass via Amount-Blind PayPal Verif

Showing top 20 of 49 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Gutenberg Essential Blocks
Same vendor: Unknown

V. Comments for CVE-2026-13154

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