CVE-2026-102918: XSS (CVSS 6.4)

Description

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.5.15 via the multi_media field. This is due to the field's renderer printing the stored value into an href attribute, a hidden input value and an HTML element without escaping, while every neighbouring attribute in the same method is wrapped in esc_attr(). It is compounded by Redux_Extension_Users::user_meta_save() evaluating a field's 'permissions' requirement against a user id taken from the request body ('checkuser_id') rather than the current user, so a Subscriber can write a field declared for 'manage_options'. This makes it possible for authenticated attackers with Subscriber-level access and above to inject arbitrary web scripts into their own profile record that execute when an administrator views that user's profile in the dashboard. Requires a theme or plugin that registers a multi_media field through the Redux Users API.

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CVSS v3.1 Score

6.4

MEDIUM

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

EPSS — Exploit Prediction

0.0031

Probability of exploitation

0.24%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.15/redux-core/inc/extensions/multi_media/multi_media/class-redux-multi-media.php#L110 https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.15/redux-core/inc/extensions/multi_media/multi_media/class-redux-multi-media.php#L147 https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.15/redux-core/inc/extensions/users/class-redux-extension-users.php#L1010 https://plugins.trac.wordpress.org/browser/redux-framework/tags/4.5.15/redux-core/inc/extensions/users/class-redux-extension-users.php#L996 https://plugins.trac.wordpress.org/changeset/3741037/redux-framework/trunk/redux-core/inc/extensions/multi_media/multi_media/class-redux-multi-media.php https://plugins.trac.wordpress.org/changeset?reponame=&new=3741037%40redux-framework%2Ftags%2F4.5.16&old=3705066%40redux-framework%2Ftags%2F4.5.15 https://www.wordfence.com/threat-intel/vulnerabilities/id/a4d54e48-3a7f-4add-b842-6948377f2a73?source=cve

Frequently Asked Questions

What is CVE-2026-102918? +

The Redux Framework plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.5.15 via the multi_media field. This is due to the field's renderer printing the stored value into an href attribute, a hidden input value and an HTML element without escaping, while every neighbouring attribute in the same method is wrapped in esc_attr(). It is compounded by Redux_Extension_Users::user_meta_save() evaluating a field's 'permissions' requirement against a user id taken from the request body ('checkuser_id') rather than the current user, so a Subscriber can write a field declared for 'manage_options'. This makes it possible for authenticated attackers with Subscriber-level access and above to inject arbitrary web scripts into their own profile record that execute when an administrator views that user's profile in the dashboard. Requires a theme or plugin that registers a multi_media field through the Redux Users API. It has a CVSS v3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-102918? +

CVE-2026-102918 has a CVSS v3.1 score of 6.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0031, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-102918? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-102918