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CVE-2026-13439— WordPress Easy Form Builder by WhiteStudio – Drag & Drop Form Builder 权限许可和访问控制问题漏洞

一分钟漏洞结论

影响对象
hassantafreshi Easy Form Builder by WhiteStudio – Drag & Drop Form Builder
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 Easy Form Builder by WhiteStudio – Drag & Drop Form Builder是WordPress基金会的一款拖放式表单构建组件。 WordPress Easy Form Builder by WhiteStudio – Drag & Drop Form Builder 4.0.11及之前版本存在权限许可和访问控制问题漏洞,该漏洞源于密码恢复流程使用公开可见的会话标识符('sid')作为密码重置令牌,并结合公开可访问的nonce刷新端点,可能导致

CVSS 9.8 · Critical EPSS 0.71% · P52

影响版本矩阵 1

厂商产品 版本范围状态
hassantafreshi Easy Form Builder by WhiteStudio – Drag & Drop Form Builder ≤ 4.0.11 affected
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一、 漏洞 CVE-2026-13439 基础信息

漏洞信息

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Vulnerability Title
Easy Form Builder by WhiteStudio <= 4.0.11 - Unauthenticated Privilege Escalation to Administrator via Password Recovery REST Endpoint
来源: CVE Program / CVE List V5
Vulnerability Description
The Easy Form Builder by WhiteStudio plugin for WordPress is vulnerable to Unauthenticated Privilege Escalation to Administrator in versions up to, and including, 4.0.11 This is due to the password recovery flow using the publicly-visible session identifier ('sid') as the password reset token stored in wp_emsfb_temp_links, combined with a publicly-accessible nonce refresh endpoint (Emsfb/v1/nonce/refresh) that issues valid WordPress REST nonces to unauthenticated visitors. This makes it possible for unauthenticated attackers to reset the password of any WordPress user — including administrators — by scraping the public sid from a published login form page, submitting a recovery request for any known user email via Emsfb/v1/forms/message/add, and then calling Emsfb/v1/forms/recovery/efb_set_password with the known sid to set an arbitrary new password and gain full administrator access.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
WordPress Easy Form Builder by WhiteStudio – Drag & Drop Form Builder 权限许可和访问控制问题漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
WordPress Easy Form Builder by WhiteStudio – Drag & Drop Form Builder是WordPress基金会的一款拖放式表单构建组件。 WordPress Easy Form Builder by WhiteStudio – Drag & Drop Form Builder 4.0.11及之前版本存在权限许可和访问控制问题漏洞,该漏洞源于密码恢复流程使用公开可见的会话标识符('sid')作为密码重置令牌,并结合公开可访问的nonce刷新端点,可能导致
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
hassantafreshi Easy Form Builder by WhiteStudio – Drag & Drop Form Builder 0 ~ 4.0.11 -

二、漏洞 CVE-2026-13439 的公开POC

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三、漏洞 CVE-2026-13439 的情报信息

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CVE-2026-13439 补丁与修复 (2)

CVE-2026-13439 新闻报道 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2026-13439

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