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CVE-2026-18561

7.5 · HIGH

The Unlimited Elements For Elementor plugin for WordPress is vulnerable to SQL Injection via the 'addontype' parameter in versions up to, and including, 2.0.16.

Published Sep 11, 2026CWE-89EPSS 0.55%

Overview

CVE-2026-18561 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The Unlimited Elements For Elementor plugin for WordPress is vulnerable to SQL Injection via the 'addontype' parameter in versions up to, and including, 2.0.16. This is due to insufficient escaping on the user-supplied parameter and the lack of sufficient preparation on the existing SQL query in the getWhereString() function; when the parameter is supplied as an array, element zero is used verbatim as the SQL comparison operator and concatenated into the WHERE clause without sanitization, while normalizeAjaxInputData() strips WordPress's magic_quotes protection from the value. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

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/unlimited-elements-for-elementor/trunk/inc_php/framework/db.class.php#L216Refplugins.trac.wordpress.org/browser/unlimited-elements-for-elementor/trunk/inc_php/unitecreator_actions.class.php#L87Refplugins.trac.wordpress.org/browser/unlimited-elements-for-elementor/trunk/inc_php/unitecreator_addon.class.php#L304Refplugins.trac.wordpress.org/browser/unlimited-elements-for-elementor/trunk/inc_php/unitecreator_addons.class.php#L1387Refplugins.trac.wordpress.org/browser/unlimited-elements-for-elementor/trunk/provider/provider_functions.class.php#L611Refplugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3661670%40unlimited-elements-for-elementor%2Ftrunk&old=3628543%40unlimited-elements-for-elementor%2Ftrunk&sfp_email=&sfph_mail=Refwww.wordfence.com/threat-intel/vulnerabilities/id/969d605d-e093-447c-abf7-0d56cb3ac569?source=cve

How CyberStrike helps

Frequently asked questions

What is CVE-2026-18561?

CVE-2026-18561 is a high-severity vulnerability. It was published on September 11, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-18561?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-18561?

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-2026-18561?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-18561 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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