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CVE-2026-75983— Eventin <= 4.1.23 权限提升漏洞

一分钟漏洞结论

影响对象
arraytics Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce
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“Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce”在所有版本（含 4.1.23 及以下版本）中存在权限提升漏洞。 漏洞成因：该插件的 函数被注册为 WordPress 核心 过滤器的回调函数。当被评估的用户 ID 为 1 时，该函数会无条件地为所有权限检查返回始终为真的 基元，且未将此行为限定于插件特定的权限范围内。 这意味着，拥有用户 ID 1 的已认证攻击者（即使其角色仅为“订阅者/Subscr

CVSS 7.5 · High
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一、 漏洞 CVE-2026-75983 基础信息

漏洞信息
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Vulnerability Title
Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce <= 4.1.23 - Authenticated (Subscriber+) Privilege Escalation via map_meta_cap Filter
来源: CVE Program / CVE List V5
Vulnerability Description
The Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.1.23. This is due to the `PermissionManager::manage_permissions()` function being registered as a callback on WordPress core's `map_meta_cap` filter and unconditionally returning the always-true `'exist'` primitive for every capability check whenever the evaluated user ID is 1, without scoping this behavior to plugin-specific capabilities. This makes it possible for authenticated attackers whose account is user ID 1, even subscribers, to pass every WordPress capability check, including `manage_options`, `edit_plugins`, `edit_themes`, `promote_users`, and `update_core`, thereby elevating their privileges to administrator-equivalent power and achieving full site takeover, including remote code execution via the plugin and theme editors. Exploitation is only impactful when user ID 1 has been deliberately demoted to a lower-privilege role as a common administrator-account hardening practice; on default installations where user ID 1 retains the administrator role, no incremental privilege gain occurs.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/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
arraytics Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce 0 ~ 4.1.23 -

二、漏洞 CVE-2026-75983 的公开POC

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三、漏洞 CVE-2026-75983 的情报信息

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CVE-2026-75983 厂商安全公告 (1)

CVE-2026-75983 厂商页面 (3)

IV. Related Vulnerabilities

Same product: Eventin – Event Calendar, Tickets, Registration, Booking & WooCommerce
Same vendor: arraytics
Same weakness: CWE-269

V. Comments for CVE-2026-75983

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