CVE-2026-103909— Calculated Fields Form <=5.5.1.5 反射型跨站脚本漏洞
一分钟漏洞结论
影响对象
codepeople Calculated Fields Form – AI Form Builder for WordPress – Contact, Payment, Quote, Quiz & More
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
WordPress 插件“Calculated Fields Form – AI Form Builder for WordPress – Contact, Payment, Quote, Quiz & More”存在反射型基于 DOM 的跨站脚本漏洞（Reflected DOM-Based Cross-Site Scripting），该漏洞影响所有 5.5.1.5 及之前版本。漏洞原因是输入净化不足以及输出转义不充分，攻击者可通过 参数进行攻击。 此漏洞使得未认证的攻击者能够向网页中注入任意 Web 脚本，当用户
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一、 漏洞 CVE-2026-103909 基础信息
漏洞信息
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Vulnerability Title
Calculated Fields Form <= 5.5.1.5 - Reflected DOM-Based Cross-Site Scripting via URL Parameter Substitution in Calculated Field Equation
来源: CVE Program / CVE List V5
Vulnerability Description
The Calculated Fields Form – AI Form Builder for WordPress – Contact, Payment, Quote, Quiz & More plugin for WordPress is vulnerable to Reflected DOM-Based Cross-Site Scripting via the 'arbitrary (whichever names the admin bound via url.<name>)' parameter in all versions up to, and including, 5.5.1.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires the targeted site to host a publicly accessible form in which an administrator has configured at least two fields with url.<name> predefined values that are used together in a concatenation equation — a plausible but not universal configuration.
来源: 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
来源: 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)
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| codepeople | Calculated Fields Form – AI Form Builder for WordPress – Contact, Payment, Quote, Quiz & More | 0 ~ 5.5.1.5 | - |
|
二、漏洞 CVE-2026-103909 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
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CVE-2026-103909 其他参考 (7)
IV. Related Vulnerabilities
V. Comments for CVE-2026-103909
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