Stylemix MasterStudy LMS Plugin up to 3.6.27 on WordPress sql injection

Summaryinfo

A vulnerability was found in Stylemix MasterStudy LMS Plugin up to 3.6.27 on WordPress and classified as critical. This issue affects some unknown processing. Executing a manipulation can lead to sql injection. This vulnerability is handled as CVE-2025-64366. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Stylemix MasterStudy LMS Plugin up to 3.6.27 on WordPress. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released by Yc_infosec. The advisory is shared for download at vdp.patchstack.com. This vulnerability was named CVE-2025-64366 since 10/31/2025. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/21/2026). The MITRE ATT&CK project declares the attack technique as T1505.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-37327). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Vendor

• Stylemix

Name

• MasterStudy LMS Plugin

Version

• 3.6.0
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4
• 3.6.5
• 3.6.6
• 3.6.7
• 3.6.8
• 3.6.9
• 3.6.10
• 3.6.11
• 3.6.12
• 3.6.13
• 3.6.14
• 3.6.15
• 3.6.16
• 3.6.17
• 3.6.18
• 3.6.19
• 3.6.20
• 3.6.21
• 3.6.22
• 3.6.23
• 3.6.24
• 3.6.25
• 3.6.26
• 3.6.27

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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