CVE-2026-105079
Received Received - Intake

Stored XSS in MasterStudy LMS WordPress Plugin

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in StylemixThemes MasterStudy LMS masterstudy-lms-learning-management-system allows Stored XSS.This issue affects MasterStudy LMS: from n/a through 3.7.52.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-105079
EUVD
EUVD-2026-94952

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
StylemixThemes MasterStudy LMS 0

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 is a Stored Cross-Site Scripting (XSS) vulnerability in the StylemixThemes MasterStudy LMS plugin. It allows attackers to inject malicious scripts into web pages that are stored on the server and executed when other users view those pages. The flaw exists due to improper neutralization of user input during web page generation.

Detection Guidance

To detect this Stored XSS vulnerability in StylemixThemes MasterStudy LMS, inspect web application inputs and outputs for malicious scripts. Check user-generated content fields like course descriptions or forum posts for JavaScript code. Use browser developer tools to monitor network requests for suspicious payloads. Review server logs for unusual input patterns.

Impact Analysis

An attacker could exploit this to steal user sessions, deface web pages, or perform actions on behalf of users. Users visiting affected pages may have their data compromised or be redirected to malicious sites without their knowledge.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection. Organizations may face fines or legal consequences if user data is compromised due to this flaw.

Mitigation Strategies

Update MasterStudy LMS to version 3.7.52 or later to address the Stored XSS vulnerability. If updating is not immediately possible, consider disabling the plugin or restricting access to trusted users only.

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