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CVE-2026-75927— PublishPress 2.50.0 认证提权漏洞

一分钟漏洞结论

影响对象
publishpress User Role Editor – PublishPress Capabilities: Access Control and User Roles
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 PublishPress Capabilities – User Role Editor, Access Permissions, User Capabilities, Admin Menus 在所有版本中（直至并包括 2.50.0）存在权限提升漏洞。 该漏洞的成因在于 函数无条件地为 Editor（编辑者） 角色授予了全部 15 种 权限，其中包括 、 、 和 。这一行为是通过硬编码的 赋值实现的，并在插件激活后的首次 钩子中自动执行，无需管理员显式开启，且这些权限授予会直接持久化到数据

CVSS 7.2 · High
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一、 漏洞 CVE-2026-75927 基础信息

漏洞信息
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Vulnerability Title
PublishPress Capabilities <= 2.50.0 - Authenticated (Editor+) Privilege Escalation to Fresh-Install Default Capability Grant
来源: CVE Program / CVE List V5
Vulnerability Description
The PublishPress Capabilities – User Role Editor, Access Permissions, User Capabilities, Admin Menus plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.50.0. This is due to the `addPluginCapabilities()` function unconditionally granting the Editor role all 15 `manage_capabilities_*` capabilities — including `manage_capabilities`, `manage_capabilities_roles`, `manage_capabilities_settings`, and `manage_capabilities_backup` — via a hard-coded `$eligible_roles = ['administrator', 'editor']` assignment that runs automatically on the first `admin_init` after plugin activation with no administrator opt-in, persisting the grants directly to the database. This makes it possible for authenticated attackers with Editor-level access to elevate their privileges to a site-wide capability manager, enabling them to create, rename, and delete non-system roles, modify capabilities of non-administrator roles, restore role backups, and write arbitrary plugin options whose names begin with `cme_`, `capsman`, `pp_capabilities`, or `presspermit` via `update_option()`. The escalation stops short of full Administrator access, as WordPress's `map_meta_cap` layer still prevents the escalated Editor from granting administrator-only capabilities to other roles; however, all role-management and plugin-settings functionality gated solely on `manage_capabilities_*` capabilities remains fully accessible.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
publishpress User Role Editor – PublishPress Capabilities: Access Control and User Roles 0 ~ 2.50.0 -

二、漏洞 CVE-2026-75927 的公开POC

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三、漏洞 CVE-2026-75927 的情报信息

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CVE-2026-75927 其他参考 (4)

IV. Related Vulnerabilities

Same vendor: publishpress
Same weakness: CWE-269

V. Comments for CVE-2026-75927

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