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CVE-2026-75930— FundEngine <= 1.8.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Modification via 'campaign_post' Parameter

Quick assessment

Affected
roxnor FundEngine – Donation and Crowdfunding Platform
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 FundEngine是WordPress基金会的一个网站内容管理功能组件。 WordPress FundEngine 1.8.1及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否有权执行操作，可能导致已认证攻击者修改任意文章和页面，覆盖标题和内容，并通过提供攻击者控制的post_author整数绕过wp_kses_post清理来夺取所有权。

CVSS 4.3 · Medium EPSS 0.37% · P29

Affected Version Matrix 1

VendorProduct Version RangeStatus
roxnor FundEngine – Donation and Crowdfunding Platform ≤ 1.8.1 affected
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I. Basic Information for CVE-2026-75930

Vulnerability Information
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Vulnerability Title
FundEngine <= 1.8.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post Modification via 'campaign_post' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The FundEngine – Donation and Crowdfunding Platform plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.8.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify arbitrary posts and pages — overwriting title and content, and seizing ownership by supplying an attacker-controlled post_author integer that bypasses wp_kses_post sanitization. The wp_rest nonce required by the handler is trivially obtainable by any logged-in user via /wp-admin/admin-ajax.php?action=rest-nonce and therefore does not constitute an authorization barrier.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/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 FundEngine 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress FundEngine是WordPress基金会的一个网站内容管理功能组件。 WordPress FundEngine 1.8.1及之前版本存在授权问题漏洞，该漏洞源于未正确验证用户是否有权执行操作，可能导致已认证攻击者修改任意文章和页面，覆盖标题和内容，并通过提供攻击者控制的post_author整数绕过wp_kses_post清理来夺取所有权。
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
roxnor FundEngine – Donation and Crowdfunding Platform 0 ~ 1.8.1 -

II. Public POCs for CVE-2026-75930

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III. Intelligence Information for CVE-2026-75930

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Vendor Advisories for CVE-2026-75930 (1)

Same Patch Batch · roxnor · 2026-08-25 · 4 CVEs total

CVE-2026-75971 7.2 HIGH ShopEngine Elementor WooCommerce Builder Addon <= 4.9.4 - Authenticated (Shop Manager+) Pr
CVE-2026-76063 6.4 MEDIUM FundEngine <= 1.8.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wfp_fea
CVE-2026-18100 6.4 MEDIUM MetForm <= 4.1.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'mf_form_i

IV. Related Vulnerabilities

Same product: FundEngine – Donation and Crowdfunding Platform
Same vendor: roxnor
Same weakness: CWE-862

V. Comments for CVE-2026-75930

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