CVE-2026-116624— Advanced Members for ACF 1.3.0 权限提升漏洞
一分钟漏洞结论
影响对象
danbilabs Advanced Members for ACF
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 的"Advanced Members for ACF"插件在所有 1.3.0 及更早版本中存在权限提升漏洞。该漏洞可通过 短代码表单提交中的 参数触发。 漏洞根源在于 文件中 函数存在 PHP 运算符优先级错误，导致将布尔值 而非解析后的用户 ID 赋值给 变量。由于 PHP 的松散相等比较机制，这使得 授权检查对任何已登录用户均能通过；同时， 会将 强制转换为整数 ，从而无条件地针对主管理员账户（用户 ID 为 1）执行操作。 因此，拥有订阅者（Subscriber）及以上权限的已认证攻击者，
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一、 漏洞 CVE-2026-116624 基础信息
漏洞信息
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Vulnerability Title
Advanced Members for ACF <= 1.3.0 - Authenticated (Subscriber+) Privilege Escalation via Account Change-Password Form
来源: CVE Program / CVE List V5
Vulnerability Description
The Advanced Members for ACF plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.3.0 via the `acf[_amem_local_user_password]` parameter of the `[advanced-members-account-password]` shortcode form submission. This is due to a PHP operator-precedence bug in the `pre_update_value` function of `acf/fields/class-user-password.php` that assigns boolean `true` instead of the resolved user ID to `$user_id`, causing the `_can_edit()` authorization check to pass for any logged-in user via PHP loose equality, and causing `wp_update_user()` to cast `'ID' => true` to integer `1` — unconditionally targeting the primary administrator account. This makes it possible for authenticated attackers, with Subscriber-level access and above, to overwrite the password of user ID 1 (the site's primary administrator) with an attacker-chosen value, granting full administrative access to the site. The intended exclusion guard in `Account::process` that strips the password field before saving is defeated because `amem_save_all_fields()` re-reads the full field list from `amem()->submission` and silently overwrites the caller-supplied excluded fields array with an empty array, ensuring the password field is always processed.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| danbilabs | Advanced Members for ACF | 0 ~ 1.3.0 | - |
|
二、漏洞 CVE-2026-116624 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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