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CVE-2026-15022

6.5 · MEDIUM

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to generic SQL Injection via Stored Quiz Answer Array in all versions up to, and including, 4.0.0 due to insu…

Published Jul 16, 2026CWE-89EPSS 0.57%

Overview

CVE-2026-15022 is a medium-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The Tutor LMS – eLearning and online course solution plugin for WordPress is vulnerable to generic SQL Injection via Stored Quiz Answer Array in all versions up to, and including, 4.0.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The payload is stored at quiz-attempt time via the wp_ajax_tutor_quiz_abandon handler, but the injected SQL executes only when a privileged user or Tutor REST API key holder requests the /wp-json/tutor/v1/quiz-attempt-details/{id} endpoint, making this a second-order (stored) injection chain.

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/tutor/tags/3.9.13/classes/Quiz.php#L442Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.13/classes/Quiz.php#L626Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.13/helpers/QueryHelper.php#L951Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.13/restapi/REST_Quiz.php#L286Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.13/restapi/REST_Quiz.php#L384Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.13/restapi/REST_Quiz.php#L415Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.9/classes/Quiz.php#L442Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.9/classes/Quiz.php#L626Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.9/helpers/QueryHelper.php#L951Refplugins.trac.wordpress.org/browser/tutor/tags/3.9.9/restapi/REST_Quiz.php#L286

How CyberStrike helps

Frequently asked questions

What is CVE-2026-15022?

CVE-2026-15022 is a medium-severity vulnerability. It was published on July 16, 2026 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-15022?

This vulnerability has a CVSS 3.1 base score of 6.5, 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-2026-15022?

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-2026-15022?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-15022 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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