CVE-2026-40766
Deferred Deferred - Pending Action

Subscriber SQL Injection in MasterStudy LMS

Vulnerability report for CVE-2026-40766, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-06-15

Last updated on: 2026-06-15

Assigner: Patchstack

Description

Subscriber SQL Injection in MasterStudy LMS <= 3.7.25 versions.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published
2026-06-15
Last Modified
2026-06-15
Generated
2026-07-06
AI Q&A
2026-06-16
EPSS Evaluated
2026-07-04
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
masterstudy lms to 3.7.25 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.

Attack-Flow Graph

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Executive Summary

This vulnerability is a Subscriber SQL Injection found in MasterStudy LMS versions up to and including 3.7.25.

Impact Analysis

The vulnerability has a high severity with a CVSS base score of 8.5, indicating it can be exploited remotely with low attack complexity and requires low privileges. It can lead to high confidentiality impact and low availability impact, meaning sensitive data could be exposed or compromised.

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EPSS Chart