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CVE-2026-90992

6.4 · MEDIUM

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via User Meta Merge via 'user-mediaurl' Media Field in all versions up to, and including, 4.5.14 due to insuffi…

Published Oct 1, 2026CWE-79EPSS 0.24%

Overview

CVE-2026-90992 is a medium-severity vulnerability. It was published on October 1, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting via User Meta Merge via 'user-mediaurl' Media Field in all versions up to, and including, 4.5.14 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. This is exploitable by Subscriber-level users who can store a payload in user meta fields such as the biography, session_tokens (via a crafted User-Agent at login), or persisted_preferences (via the REST API), which are then promoted to the site-wide redux_demo option when a media URL repair is triggered on the demo panel.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refplugins.trac.wordpress.org/browser/redux-framework/tags/4.5.14/redux-core/assets/js/vendor/jsonview.js#L136Refplugins.trac.wordpress.org/browser/redux-framework/tags/4.5.14/redux-core/inc/classes/class-redux-options-constructor.php#L189Refplugins.trac.wordpress.org/browser/redux-framework/tags/4.5.14/redux-core/inc/classes/class-redux-options-constructor.php#L632Refplugins.trac.wordpress.org/browser/redux-framework/tags/4.5.14/redux-core/inc/extensions/users/class-redux-extension-users.php#L365Refplugins.trac.wordpress.org/browser/redux-framework/tags/4.5.14/redux-core/inc/extensions/users/class-redux-users-api.php#L558Refplugins.trac.wordpress.org/changeset/3705066/redux-framework/trunk/redux-core/assets/js/vendor/jsonview.jsRefplugins.trac.wordpress.org/changeset?reponame=&new=3705066%40redux-framework%2Ftags%2F4.5.15&old=3688279%40redux-framework%2Ftags%2F4.5.14Refwww.wordfence.com/threat-intel/vulnerabilities/id/2274a464-4eeb-4c8a-b138-44fef6b4a3a5?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-90992?

CVE-2026-90992 is a medium-severity vulnerability. It was published on October 1, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-90992?

This vulnerability has a CVSS 3.1 base score of 6.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-90992?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-90992?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90992 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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