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CVE-2026-76063— FundEngine <= 1.8.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wfp_featured_video_url' 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及之前版本存在跨站脚本漏洞，该漏洞源于对'wfp_featured_video_url'参数输入清理和输出转义不足，且相关REST端点权限设置不当，导致已认证攻击者（包括订阅者级别）可在页面中注入任意Web脚本，当其他用户访问时执行存储型跨站脚本攻击。

CVSS 6.4 · Medium EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

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-2026-76063

Vulnerability Information
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Vulnerability Title
FundEngine <= 1.8.1 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'wfp_featured_video_url' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The FundEngine – Donation and Crowdfunding Platform plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wfp_featured_video_url' parameter in all versions up to, and including, 1.8.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The REST endpoint used to submit the video URL has its permission_callback set to __return_true, meaning any authenticated user — including those with Subscriber-level access — can reach the vulnerable code path.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 FundEngine 跨站脚本漏洞
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及之前版本存在跨站脚本漏洞，该漏洞源于对'wfp_featured_video_url'参数输入清理和输出转义不足，且相关REST端点权限设置不当，导致已认证攻击者（包括订阅者级别）可在页面中注入任意Web脚本，当其他用户访问时执行存储型跨站脚本攻击。
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
roxnor FundEngine – Donation and Crowdfunding Platform 0 ~ 1.8.1 -

II. Public POCs for CVE-2026-76063

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III. Intelligence Information for CVE-2026-76063

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Patches & Fixes for CVE-2026-76063 (1)

News Coverage for CVE-2026-76063 (1)

Other References for CVE-2026-76063 (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-2026-18100 6.4 MEDIUM MetForm <= 4.1.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'mf_form_i
CVE-2026-75930 4.3 MEDIUM FundEngine <= 1.8.1 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Post

IV. Related Vulnerabilities

Same product: FundEngine – Donation and Crowdfunding Platform
Same vendor: roxnor
Same weakness: CWE-79

V. Comments for CVE-2026-76063

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