CVE-2026-59513
Received Received - Intake

Subscriber XSS in Masteriyo LMS <= 2.3.0

Publication date: 2026-07-23

Last updated on: 2026-07-23

Assigner: Patchstack

Description
Subscriber Cross Site Scripting (XSS) in Masteriyo - LMS <= 2.3.0 versions.

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Meta Information

Published
2026-07-23
Last Modified
2026-07-23
Generated
2026-07-23
AI Q&A
2026-07-23
EPSS Evaluated
N/A
NVD
CVE-2026-59513
EUVD
EUVD-2026-48186

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
masteriyo lms to 2.3.0 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This vulnerability is a Subscriber Cross Site Scripting (XSS) issue in the Masteriyo - LMS plugin versions 2.3.0 and below. It allows attackers to inject malicious scripts into websites, which can execute harmful actions like redirects or advertisements when visitors access the site.

Detection Guidance

This vulnerability is specific to WordPress Masteriyo - LMS Plugin versions 2.3.0 and below. To detect it, check the installed version of the plugin on your WordPress site. You can do this by logging into your WordPress admin panel, navigating to Plugins, and looking for Masteriyo - LMS. If the version is 2.3.0 or lower, your system is vulnerable.

Impact Analysis

The vulnerability allows attackers to inject malicious scripts that could execute harmful payloads such as redirects or advertisements when visitors access the site. The exploit requires a privileged user to perform an action like clicking a malicious link or submitting a form.

Mitigation Strategies

Immediately update the Masteriyo - LMS plugin to version 2.3.1 or later. If updating is not possible right away, apply the mitigation rule provided by Patchstack to block attacks until the update is applied.

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