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CVE-2026-102918— Redux Framework <= 4.5.15 - Authenticated (Subscriber+) Stored Cross-Site Scripting via multi_media Field and Client-Supplied checkuser_id

Quick assessment

Affected
davidanderson Redux Framework
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 Redux Framework 插件在所有 4.5.15 及更早版本中存在存储型跨站脚本（Stored XSS）漏洞，该漏洞通过 字段触发。漏洞成因在于该字段的渲染器在将存储的值输出到 属性、隐藏输入框的值以及某个 HTML 元素时未进行转义处理，而同一方法中所有相邻属性均使用了 函数进行安全转义。此外， 方法在验证字段的“权限”要求时，错误地使用了请求体中的用户 ID（ ），而非当前登录用户的 ID，导致订阅者（Subscriber）也能写入原本声明为仅限“管理选项”（ ）权限的字段。 因

CVSS 6.4 · Medium EPSS 0.31% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
davidanderson Redux Framework ≤ 4.5.15 affected
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I. Basic Information for CVE-2026-102918

Vulnerability Information
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Vulnerability Title
Redux Framework <= 4.5.15 - Authenticated (Subscriber+) Stored Cross-Site Scripting via multi_media Field and Client-Supplied checkuser_id
Source: CVE Program / CVE List V5
Vulnerability Description
The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.5.15 via the multi_media field. This is due to the field's renderer printing the stored value into an href attribute, a hidden input value and an HTML element without escaping, while every neighbouring attribute in the same method is wrapped in esc_attr(). It is compounded by Redux_Extension_Users::user_meta_save() evaluating a field's 'permissions' requirement against a user id taken from the request body ('checkuser_id') rather than the current user, so a Subscriber can write a field declared for 'manage_options'. This makes it possible for authenticated attackers with Subscriber-level access and above to inject arbitrary web scripts into their own profile record that execute when an administrator views that user's profile in the dashboard. Requires a theme or plugin that registers a multi_media field through the Redux Users API.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
davidanderson Redux Framework 0 ~ 4.5.15 -

II. Public POCs for CVE-2026-102918

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III. Intelligence Information for CVE-2026-102918

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Patches & Fixes for CVE-2026-102918 (2)

Vendor Advisories for CVE-2026-102918 (1)

Vendor Pages for CVE-2026-102918 (1)

Other References for CVE-2026-102918 (1)

IV. Related Vulnerabilities

Same product: Redux Framework
Same vendor: davidanderson
Same weakness: CWE-79