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CVE-2026-3001— Gutenverse <= 3.4.6 - Reflected Cross-Site Scripting via 's' Parameter

Quick assessment

Affected
jegstudio Gutenverse – WordPress Blocks, Page Builder & Site Editor
Exploitation
Public or AI PoC available; prioritize validation
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 Gutenverse 3.4.6及之前版本存在跨站脚本漏洞，该漏洞源于对s参数输入清理和输出转义不足，可能导致反射型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.64% · P49

Public Exploits 1

Nuclei · 1 CVE-2026-3001.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
jegstudio Gutenverse – WordPress Blocks, Page Builder & Site Editor ≤ 3.4.6 affected
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I. Basic Information for CVE-2026-3001

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Gutenverse <= 3.4.6 - Reflected Cross-Site Scripting via 's' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Gutenverse plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in all versions up to, and including, 3.4.6 due to insufficient input sanitization and output escaping. Specifically, the `render_content()` method in `class-search-result-title.php` outputs the value of `get_query_var('s')` directly into the page HTML without applying `esc_html()` or any other escaping function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages via a crafted URL that execute if a user clicks the link, provided the `gutenverse/search-result-title` block is present on the site's search results template.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Gutenverse 跨站脚本漏洞
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 Gutenverse 3.4.6及之前版本存在跨站脚本漏洞，该漏洞源于对s参数输入清理和输出转义不足，可能导致反射型跨站脚本攻击。
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
jegstudio Gutenverse – WordPress Blocks, Page Builder & Site Editor 0 ~ 3.4.6 -

II. Public POCs for CVE-2026-3001

# POC Description Source Link Shenlong Link
1 The Gutenverse plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 's' parameter in versions up to and including 3.4.6. The issue arises due to insufficient input sanitization and output escaping in the `render_content()` method of `class-search-result-title.php`, which outputs the value of `get_query_var('s')` directly into the page HTML without applying `esc_html()`. This makes it possible for unauthenticated attackers to inject and execute arbitrary web scripts in pages via a crafted URL, provided the `gutenverse/search-result-title` block is present on the site's search results template. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-3001.yaml POC Details
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III. Intelligence Information for CVE-2026-3001

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Patches & Fixes for CVE-2026-3001 (1)

News Coverage for CVE-2026-3001 (1)

IV. Related Vulnerabilities

Same product: Gutenverse – WordPress Blocks, Page Builder & Site Editor
Same vendor: jegstudio
Same weakness: CWE-79

V. Comments for CVE-2026-3001

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