What the vulnerability does
01Description
Insertion of Sensitive Information Into Sent Data vulnerability in StylemixThemes MasterStudy LMS Pro masterstudy-lms-learning-management-system-pro allows Retrieve Embedded Sensitive Data.This issue affects MasterStudy LMS Pro: from n/a through < 4.7.16.
Explanation of Vulnerability in Simple Terms
02Summary
MasterStudy LMS Pro versions up to 4.7.16 expose sensitive information that attackers can read without authentication. The vulnerability allows remote access to confidential data over the network without requiring user interaction. Site administrators should update to a version newer than 4.7.16 immediately to prevent unauthorized data disclosure.
What an attacker can do
03Attacker Capabilities
Read sensitive information from the site without logging in.
Potential impact on your site
04Site Impact
Confidential data (user records, course info, or settings) may be exposed to anyone on the internet.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
December 18, 2025
CVE published
April 28, 2026
Record updated