CVE-2026-119980— UsersWP 1.2.78 未授权账户访问漏洞
一分钟漏洞结论
影响对象
stiofansisland UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP
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 UsersWP（提供前端登录表单、用户注册、用户资料及会员目录功能）在所有 1.2.78 及以下版本中存在因“使用可预测密码”而导致未授权账户访问的漏洞。 该漏洞的成因在于： 函数为插件内置的 25 个虚拟用户账户生成共享密码时，仅取 哈希值的前 15 个字符；然而，该哈希值的完整 25 个字符却同时被嵌入到每个注册表单响应中的隐藏字段 内。该字段可通过无需认证的公开 页面，或通过 AJAX 处理器访问，即便网站已禁用用户注册功能，攻击者仍可访问。 因此，未认证的攻击者仅需发起一次 HTT
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一、 漏洞 CVE-2026-119980 基础信息
漏洞信息
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Vulnerability Title
UsersWP <= 1.2.78 - Unauthenticated Account Access via Predictable Dummy User Password Disclosed through Registration Form Hash
来源: CVE Program / CVE List V5
Vulnerability Description
The UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WordPress is vulnerable to unauthorized account access via Use of Predictable Password in all versions up to, and including, 1.2.78 The vulnerability exists because `get_dummy_user_passowrd()` derives the shared password for all 25 built-in dummy user accounts as the first 15 characters of `substr(hash('SHA256', AUTH_KEY . site_url()), 0, 25)`, while the full 25-character value of that same hash is simultaneously embedded in the hidden `uwp_register_hash` field rendered on every registration form response — reachable without authentication via both the public `/register/` page and the `wp_ajax_nopriv_uwp_ajax_register_form` AJAX handler, even when user registration is disabled. This makes it possible for unauthenticated attackers to recover the dummy user password directly from a single HTTP request and use it to authenticate as any of the 25 built-in dummy accounts (such as antawn, chynna, or kiki) through `wp-login.php`, potentially achieving privilege escalation if any dummy account holds an elevated role. Exploitation requires that an administrator has previously created dummy users via the plugin's Tools page.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| stiofansisland | UsersWP – Front-end login form, User Registration, User Profile & Members Directory plugin for WP | 0 ~ 1.2.78 | - |
|
二、漏洞 CVE-2026-119980 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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