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CVE-2026-104812— Redux Framework <= 4.5.16 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'multi_media' Field Array Key

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 插件在所有版本中均存在存储型跨站脚本（Stored XSS）漏洞，该漏洞源于对"multi_media"字段数组键的输入清理和输出转义不足。这使得拥有订阅者（subscriber）及以上权限的已认证攻击者，能够在页面中注入任意网页脚本；一旦有用户访问被注入的页面，这些脚本便会执行。 具体而言，在保存时应用的 清理函数仅处理数组的叶子节点值，而完全忽略了对数组键的清理。随后，在 方法中，该注入的键被直接渲染为 这一 HTML 属性，且未使用 进行转义，从而导致属

CVSS 6.4 · Medium
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I. Basic Information for CVE-2026-104812

Vulnerability Information
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Vulnerability Title
Redux Framework <= 4.5.16 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'multi_media' Field Array Key
Source: CVE Program / CVE List V5
Vulnerability Description
The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'multi_media' Field Array Key in all versions due to insufficient input sanitization and output escaping. 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. The wp_kses_post sanitization applied at save time operates only on array leaf values, leaving array keys entirely unsanitized; the injected key is then rendered directly into an id="filelist-<KEY>" HTML attribute without esc_attr() in Redux_Multi_Media::render(), allowing attribute breakout.
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 ~ 4.5.16 -

II. Public POCs for CVE-2026-104812

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III. Intelligence Information for CVE-2026-104812

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Other References for CVE-2026-104812 (5)

IV. Related Vulnerabilities

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