Masteriyo LMS – LMS Course Builder, Quizzes & Certificates <= 2.3.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting
| CVE | CVE-2026-59513 |
|---|---|
| CVSS | 6.4 (Medium) |
| Publicly Published | July 21, 2026 |
| Last Updated | July 27, 2026 |
Description
The Masteriyo LMS – LMS Course Builder, Quizzes & Certificates plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.0 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.
Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.
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Vulnerability Details for Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
| Software Type | Plugin |
|---|---|
| Software Slug | learning-management-system (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 2.3.1, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in Masteriyo LMS – LMS Course Builder, Quizzes & Certificates
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