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Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Cross-Site Scripting via User Input

CVSS 3.1 6.4 MEDIUMCheck source for fixed versionsKEV status unknown

cve-program · CVE-2026-5400

Published

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Media field filter values in versions up to, and including, 4.5.13 This is due to insufficient input sanitization of nested array values in the user_meta_save() function and unsafe output of filter CSS values in the render() function without proper 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.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-5400

Published

Redux Framework <= 4.5.13 - Authenticated (Subscriber+) Cross-Site Scripting via User Input

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Media field filter values in versions up to, and including, 4.5.13 This is due to insufficient input sanitization of nested array values in the user_meta_save() function and unsafe output of filter CSS values in the render() function without proper 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.

Source published
19 Sep 2026 07:43:19 UTC
Source modified
19 Sep 2026 13:51:20 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
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Original source record · Cite this exact observation · Complete original publisher JSON

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CVSS 3.1 · 6.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

ChangeIntel

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Sources read 13 Nov 03:01 UTC · 274 of 275 readable · 272 fully read · documentation 461/469 current