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CVE-2026-2371— Greenshift <= 12.8.3 - Missing Authorization to Unauthenticated Private Reusable Block Disclosure via 'gspb_el_reusable_load'

Quick assessment

Affected
wpsoul Greenshift – animation and page builder 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 Greenshift – animation and page builder blocks 12.8.3及之前版本存在安全漏洞，该漏洞源于缺少授权和文章状态验证，可能导致未经身份验证的攻击者检索私有、草稿或受密码保

CVSS 5.3 · Medium EPSS 0.30% · P21

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-2371

Vulnerability Information
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Vulnerability Title
Greenshift <= 12.8.3 - Missing Authorization to Unauthenticated Private Reusable Block Disclosure via 'gspb_el_reusable_load'
Source: CVE Program / CVE List V5
Vulnerability Description
The Greenshift – animation and page builder blocks plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 12.8.3. This is due to missing authorization and post status validation in the `gspb_el_reusable_load()` AJAX handler. The handler accepts an arbitrary `post_id` parameter and renders the content of any `wp_block` post without checking `current_user_can('read_post', $post_id)` or verifying the post status. Combined with the nonce being exposed to unauthenticated users on any public page using the `[wp_reusable_render]` shortcode with `ajax="1"`, this makes it possible for unauthenticated attackers to retrieve the rendered HTML content of private, draft, or password-protected reusable blocks.
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
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Greenshift – animation and page builder blocks 安全漏洞
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 Greenshift – animation and page builder blocks 12.8.3及之前版本存在安全漏洞，该漏洞源于缺少授权和文章状态验证，可能导致未经身份验证的攻击者检索私有、草稿或受密码保
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
wpsoul Greenshift – animation and page builder blocks * ~ 12.8.3 -

II. Public POCs for CVE-2026-2371

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III. Intelligence Information for CVE-2026-2371

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Patches & Fixes for CVE-2026-2371 (4)

Vendor Advisories for CVE-2026-2371 (1)

IV. Related Vulnerabilities

Same product: Greenshift – animation and page builder blocks
Same vendor: wpsoul
Same weakness: CWE-862

V. Comments for CVE-2026-2371

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