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CVE-2026-19652— Divi Membership <= 2.2.0 - Unauthenticated Privilege Escalation via 'form_id' Parameter

Quick assessment

Affected
DiviEngine Divi Membership
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 的 Divi Membership 插件在 2.2.0 及以下版本中存在权限提升漏洞。该漏洞是由于 函数在确定新用户角色时，遍历所有 WordPress 角色，并使用 函数与攻击者控制的 bcrypt 哈希值进行比对——该哈希值通过 POST 参数 提供，且未对允许的角色进行任何验证或白名单限制。因此，未认证的攻击者可以通过提交一个本地计算得到的、代表 （管理员）角色的 bcrypt 哈希值作为 参数，从而注册具有管理员权限的新账户；当同时提交 时，攻击者将在同一请求中立即以该管理员身份被认证登

CVSS 9.8 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
DiviEngine Divi Membership ≤ 2.2.0 affected
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I. Basic Information for CVE-2026-19652

Vulnerability Information
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Vulnerability Title
Divi Membership <= 2.2.0 - Unauthenticated Privilege Escalation via 'form_id' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Divi Membership plugin for WordPress is vulnerable to Privilege Escalation in versions up to, and including, 2.2.0. This is due to the `dmem_form_submit_handler()` function determining the new user's role by iterating all WordPress roles and calling `password_verify()` against an attacker-controlled bcrypt hash supplied in the `form_id` POST parameter, with no validation or whitelist of allowed roles. This makes it possible for unauthenticated attackers to register a new account with the administrator role by submitting a locally computed bcrypt hash of `administrator` as `form_id`, and when `auto_login=on` is submitted, be immediately authenticated as that administrator in the same request, resulting in full site takeover. Exploitation requires a WordPress nonce, but that nonce is publicly emitted on any page rendering the Divi Membership registration form and is therefore obtainable by any unauthenticated visitor.
Source: 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
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
DiviEngine Divi Membership 0 ~ 2.2.0 -

II. Public POCs for CVE-2026-19652

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III. Intelligence Information for CVE-2026-19652

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Vendor Advisories for CVE-2026-19652 (1)

Other References for CVE-2026-19652 (1)

Other References for CVE-2026-19652 (1)

IV. Related Vulnerabilities

Same product: Divi Membership
Same vendor: DiviEngine
Same weakness: CWE-269

V. Comments for CVE-2026-19652

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