CVE-2026-4987— WordPress plugin SureForms 输入验证错误漏洞
公开利用映射 1
Nuclei · 1 CVE-2026-4987.yaml [template]
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一、 漏洞 CVE-2026-4987 基础信息
漏洞信息
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Vulnerability Title
SureForms <= 2.5.2 - Unauthenticated Payment Amount Validation Bypass via 'form_id'
来源: CVE Program / CVE List V5
Vulnerability Description
The SureForms – Contact Form, Payment Form & Other Custom Form Builder plugin for WordPress is vulnerable to Payment Amount Bypass in all versions up to, and including, 2.5.2. This is due to the create_payment_intent() function performing a payment validation solely based on the value of a user-controlled parameter. This makes it possible for unauthenticated attackers to bypass configured form payment-amount validation and create underpriced payment/subscription intents by setting form_id to 0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin SureForms 输入验证错误漏洞
来源: 中国国家信息安全漏洞库 CNNVD
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 SureForms 2.5.2及之前版本存在输入验证错误漏洞，该漏洞源于create_payment_intent函数仅基于用户控制参数进行支付验证，可能导致未经验证的攻击者绕过支付金额验证。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| brainstormforce | SureForms – Contact Form, Payment Form & Other Custom Form Builder | * ~ 2.5.2 | - |
二、漏洞 CVE-2026-4987 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|---|---|---|
| 1 | The SureForms plugin for WordPress is vulnerable to payment amount validation bypass in versions up to, and including, 2.5.2. The create_payment_intent AJAX handler checks `if ($form_id > 0 && !empty($block_id))` before calling validate_payment_amount(). By sending form_id=0 (the default intval of a missing/zero value), an unauthenticated attacker completely skips the server-side amount validation and can create Stripe payment intents with arbitrary amounts, bypassing configured pricing. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-4987.yaml | POC详情 |
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CVE-2026-4987 补丁与修复 (1)
CVE-2026-4987 厂商安全公告 (1)
IV. Related Vulnerabilities
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