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CVE-2026-15787

6.4 · MEDIUM

The Ultimate Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Navigation Menu Widget data-toggle-icon/data-close-icon Attributes in all versions up to, and…

Published Jul 22, 2026CWE-79EPSS 0.42%

Overview

CVE-2026-15787 is a medium-severity vulnerability. It was published on July 22, 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 Ultimate Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Navigation Menu Widget data-toggle-icon/data-close-icon Attributes in all versions up to, and including, 2.9.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. wp_kses_post, applied on save for users without unfiltered_html, does not neutralize HTML-entity-encoded payloads stored inside data-* attributes on kses-allowed elements, as the browser decodes these values client-side before jQuery .html() renders them as markup.

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/header-footer-elementor/tags/2.8.8/inc/js/frontend.js#L682Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.8.8/inc/js/frontend.js#L684Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.8.8/inc/js/frontend.js#L701Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.8.8/inc/js/frontend.js#L703Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.9.1/inc/js/frontend.js#L682Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.9.1/inc/js/frontend.js#L684Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.9.1/inc/js/frontend.js#L701Refplugins.trac.wordpress.org/browser/header-footer-elementor/tags/2.9.1/inc/js/frontend.js#L703Refplugins.trac.wordpress.org/changeset/3614409/header-footer-elementor/trunk/inc/js/frontend.jsRefplugins.trac.wordpress.org/changeset?old_path=%2Fheader-footer-elementor/tags/2.9.1&new_path=%2Fheader-footer-elementor/tags/2.9.2

How CyberStrike helps

Frequently asked questions

What is CVE-2026-15787?

CVE-2026-15787 is a medium-severity vulnerability. It was published on July 22, 2026 and has a CVSS 3.1 base score of 6.4 (MEDIUM).

How severe is CVE-2026-15787?

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-2026-15787?

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-2026-15787?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-15787 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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