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CVE-2026-0950— Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Information Disclosure in Sensitive Data

Quick assessment

Affected
brainstormforce Spectra Gutenberg Blocks – Website Builder for the Block Editor
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和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Spectra Gutenberg Blocks 2.19.17及之前版本存在信息泄露漏洞，该漏洞源于插件在render_excerpt函数和uagb_get_excerpt辅助函数中渲染文章摘要前未检查post_p

CVSS 5.3 · Medium EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-0950

Vulnerability Information
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Vulnerability Title
Spectra Gutenberg Blocks <= 2.19.17 - Unauthenticated Information Disclosure in Sensitive Data
Source: CVE Program / CVE List V5
Vulnerability Description
The Spectra Gutenberg Blocks – Website Builder for the Block Editor plugin for WordPress is vulnerable to Information Disclosure in all versions up to, and including, 2.19.17. This is due to the plugin failing to check `post_password_required()` before rendering post excerpts in the `render_excerpt()` function and the `uagb_get_excerpt()` helper function. This makes it possible for unauthenticated attackers to read excerpts of password-protected posts by simply viewing any page that contains a Spectra Post Grid, Post Masonry, Post Carousel, or Post Timeline block.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Spectra Gutenberg Blocks 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin Spectra Gutenberg Blocks 2.19.17及之前版本存在信息泄露漏洞，该漏洞源于插件在render_excerpt函数和uagb_get_excerpt辅助函数中渲染文章摘要前未检查post_p
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
brainstormforce Spectra Gutenberg Blocks – Website Builder for the Block Editor * ~ 2.19.17 -

II. Public POCs for CVE-2026-0950

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III. Intelligence Information for CVE-2026-0950

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Patches & Fixes for CVE-2026-0950 (9)

IV. Related Vulnerabilities

Same product: Spectra Gutenberg Blocks – Website Builder for the Block Editor
Same vendor: brainstormforce
Same weakness: CWE-200

V. Comments for CVE-2026-0950

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