CVE-2025-64366

Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Blind SQL Injection.This issue affects MasterStudy LMS: from n/a through <= 3.6.27.

Overview

State: PUBLISHED
Assigner (CNA): Patchstack
CVSS severity: HIGH
CVSS score: 7.6 / 10
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Effective score: 7.6 / 10 HIGH source: CNA overview
CWE(s): CWE-89
Reserved: 2025-10-31
Published: 2025-10-31 12:42 UTC
Last updated: 2026-04-28 18:14 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/64xxx/CVE-2025-64366.json
Linked Threat: CVE-2025-64366 — MasterStudy LMS <= 3.6.27 - Authenticated (Instructor+) SQL Injection

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published: 2025-10-31 12:15:37 UTC
NVD last modified: 2026-04-27 16:16:41 UTC
NVD CVSS v3.1: 7.6 / 10 HIGH source: audit@patchstack.com
NVD CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
Exploitability subscore: 2.3 / 10
Impact subscore: 4.7 / 10
EPSS score: 0.0003 (probability of exploitation in next 30 days)
EPSS percentile: 9.50% vs all CVEs — higher = more likely to be exploited, as of 2026-05-25

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID: EUVD-2025-37327
Assigner: Patchstack
Published: Oct 31, 2025, 11:42:39 AM
Updated: Apr 28, 2026, 4:14:14 PM
EUVD base score (CVSS 3.1): 7.6 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L
EUVD-reported EPSS: 0.0400
Vendors: stylemix
Products: MasterStudy LMS (n/a ≤≤ 3.6.27)

MasterStudy LMS (0 ≤3.6.27)
Aliases: GHSA-xfhv-2m8j-xxfc

ENISA description: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Stylemix MasterStudy LMS masterstudy-lms-learning-management-system allows Blind SQL Injection.This issue affects MasterStudy LMS: from n/a through <= 3.6.27.

EUVD references (1)

https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-27-sql-injection-vulnerability?_s_id=cve

Affected products (1)

Vendor	Product	Versions	Platforms
Stylemix	MasterStudy LMS	`0` (affected)	—

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-27-sql-injection-vulnerability?_s_id=cve vdb-entry

MITRE references (1) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-27-sql-injection-vulnerability?_s_id=cve vdb-entry

Web references (5)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

http://cwe.mitre.org/data/definitions/89.html rapid7:cwe.mitre.org
https://attackerkb.com/topics/CVE-2025-64366 rapid7:attackerkb.com
https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-37327 rapid7:euvd.enisa.europa.eu
https://www.cve.org/CVERecord?id=CVE-2025-64366 rapid7:www.cve.org
https://www.wordfence.com/threat-intel/vulnerabilities/id/d6d0651a-c2e2-4985-927c-b60e80475450?source=api-prod rapid7:www.wordfence.com

NVD-tagged references (1)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

https://patchstack.com/database/Wordpress/Plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-6-27-sql-injection-vulnerability?_s_id=cve audit@patchstack.com

Indicators (2)

IOCs linked to the auto-promoted Threat row.

Type	Value	VirusTotal	Attached
domain	`injection.this`	no local data	2026-05-18 21:18 UTC
cve	`CVE-2025-64366`	no local data	2026-06-06 13:24 UTC

Remediations (15)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

Wordfence remediation: MasterStudy LMS WordPress Plugin – for Online Courses and Education

Wordfence

Update to version 3.6.28, or a newer patched version

2026-06-06 13:24 UTC
Microsoft and Adobe Patch Tuesday, January 2026 Security Update Review

web:blog.qualys.com

With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.

2026-05-22 15:04 UTC
Microsoft Issues Massive Windows Patch for 160+ Bugs ... - TechRepublic

web:www.techrepublic.com

Microsoft's April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company's largest monthly security updates.

2026-05-22 15:04 UTC
February's Patch Tuesday release fixes 59 flaws ... - Computerworld

web:www.computerworld.com

Each month, the team at Readiness analyzes the latest Patch Tuesday updates from Microsoft and provides detailed, actionable testing guidance. The company's Patch Tuesday release for February ...

2026-05-22 15:04 UTC
Microsoft mitigates YellowKey BitLocker bypass, no patch yet

web:www.notebookcheck.net

Microsoft released mitigation steps for YellowKey ( CVE -2026-45585), a BitLocker bypass that grants physical attackers access to encrypted Windows drives.

2026-05-22 15:04 UTC
Update Software, Mitigation M1051 - Enterprise | MITRE ATT&CK®

web:attack.mitre.org

This mitigation can be implemented through the following measures: Regular Operating System Updates Implementation: Apply the latest Windows security updates monthly using WSUS (Windows Server Update Services) or a similar patch management solution. Configure systems to check for updates automatically and schedule reboots during maintenance ...

2026-05-22 04:01 UTC
Latest Windows Update Problems and How to Fix Them

web:www.maketecheasier.com

Check out the latest Windows 11 and Windows 10 update problems and their solutions, as recommended by Microsoft experts.

2026-05-22 04:01 UTC
Microsoft Rolls Out Mitigations for 'YellowKey' BitLocker ...

web:www.securityweek.com

Microsoft has announced mitigations for CVE -2026-45585, a BitLocker bypass triggered via FsTx in Windows Recovery.

2026-05-22 04:01 UTC
Microsoft KB5034441 Windows 10 security patch for BitLocker bypass is ...

web:www.tomshardware.com

Microsoft released security update KB5034441 on Patch Tuesday to fix a BitLocker encryption bypass vulnerability affecting Windows 10 users. However, some users are experiencing an update failure ...

2026-05-22 04:01 UTC
Install Microsoft's emergency Windows patch now - ZDNET

web:www.zdnet.com

Install Microsoft's emergency Windows patch now - what it fixes and why it was rushed out Microsoft issued an out-of-band fix after its latest update introduced a nasty surprise.

2026-05-22 04:01 UTC
Microsoft Rushes Out Emergency Mitigation For 'YellowKey ... - LinkedIn

web:www.linkedin.com

Microsoft Security Response Center has issued an emergency mitigation for a newly disclosed BitLocker bypass vulnerability known as "YellowKey," after security researchers publicly released ...

2026-05-22 04:01 UTC
THREAT ADVISORY RedSun Zero-Day (Windows Defender) April 17, 2026

web:blackswan-cybersecurity.com

Cloud Files API activity originating outside legitimate OneDrive/sync processes. Mitigation Steps: Apply all Windows updates immediately (monitor MSRC for an emergency RedSun-specific patch . None released as of April 17, 2026). Supplement Defender with a secondary EDR solution (e.g., Huntress) capable of detecting Defender bypasses.

2026-05-22 04:01 UTC
Microsoft Releases Mitigation for Windows BitLocker Security Bypass 0 ...

web:cybersecuritynews.com

No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.

2026-05-22 04:01 UTC
Security Update Guide - Loading - Microsoft

web:portal.msrc.microsoft.com

The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

2026-05-22 04:01 UTC
Microsoft confirms patching issues in restricted Windows networks

web:www.bleepingcomputer.com

Microsoft says customers in restricted network environments may encounter Windows Update failures after installing the January 2026 optional non-security preview updates.

2026-05-22 04:01 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2025-64366.json.

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