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CVE-2026-5410— Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Spinner Field Input

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 4.5.13 及更早版本中，由于输入净化（sanitization）和输出转义（escaping）不足，存在存储型跨站脚本（Stored Cross-Site Scripting, XSS）漏洞。具体而言，在 函数中，标量值（scalar values）绕过了仅处理数组的净化逻辑，导致 spinner 字段的值未经适当净化即被存储到用户元数据（user meta）中。随后，在 第 56 行的 函数中，该值通过以下代码渲染到一个未加引号的 HTML 属性

CVSS 6.4 · Medium

Possible ATT&CK Techniques 2 AI

T1188 T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-5410

Vulnerability Information
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Vulnerability Title
Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Spinner Field Input
Source: CVE Program / CVE List V5
Vulnerability Description
The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the spinner field in versions up to, and including, 4.5.13 This is due to insufficient input sanitization and output escaping. In the user_meta_save() function scalar values bypass the sanitization logic that only processes arrays, allowing the spinner field value to be stored in user meta without proper sanitization. Later, at line 56 of class-redux-spinner.php in the render() function, this value is rendered in an unquoted HTML attribute without escaping via '$data_string .= ' data-val=' . $this->value;'. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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 ~ 4.5.13 -

II. Public POCs for CVE-2026-5410

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III. Intelligence Information for CVE-2026-5410

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Patches & Fixes for CVE-2026-5410 (1)

Vendor Pages for CVE-2026-5410 (1)

Other References for CVE-2026-5410 (1)

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-5410

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