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Masteriyo Learning Management System Stored Cross-Site Scripting Vulnerability

Vulnerability

A stored cross-site scripting vulnerability has been identified in the Masteriyo Learning Management System (LMS) WordPress plugin, affecting versions through 1.18.3. This vulnerability allows users with contributor privileges to inject malicious scripts that are executed when other users visit the affected site.

Impact

Exploitation of this vulnerability allows for stored cross-site scripting, where injected scripts are executed in the context of the user visiting the site.

Remediation

Users of the Masteriyo LMS WordPress plugin should update to version 1.18.4 or later to address this vulnerability.

Added: Aug 14, 2025, 11:40 AM
Updated: Aug 14, 2025, 11:40 AM

Vulnerability Rating

Custom Algorithm
spread
1.0
impact
1.7
exploitability
5.2
remediation
7.7
relevance
0.3
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.