davidanderson Redux Framework Plugin up to 4.5.13 on WordPress Spinner class-redux-spinner.php user_meta_save spinner cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in davidanderson Redux Framework Plugin up to 4.5.13. This vulnerability affects the function user_meta_save of the file class-redux-spinner.php of the component Spinner. This manipulation of the argument spinner causes cross site scripting. This vulnerability is registered as CVE-2026-5410. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in davidanderson Redux Framework Plugin up to 4.5.13. It has been declared as problematic. Affected by this vulnerability is the function user_meta_save of the file class-redux-spinner.php of the component Spinner. The manipulation of the argument spinner with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

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.

The advisory is shared at wordfence.com. This vulnerability is known as CVE-2026-5410 since 04/02/2026. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:class-redux-spinner.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-83561). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• davidanderson

Name

• Redux Framework Plugin

Version

• 4.5.0
• 4.5.1
• 4.5.2
• 4.5.3
• 4.5.4
• 4.5.5
• 4.5.6
• 4.5.7
• 4.5.8
• 4.5.9
• 4.5.10
• 4.5.11
• 4.5.12
• 4.5.13

CPE 2.3info

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• 🔒
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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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