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Masterstudy Lms CVE-2024-1904

MEDIUM
Missing Authorization (CWE-862)
2024-04-09 security@wordfence.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization checks on every request
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required. EPSS exploitation probability: 0.29%.

Exploit ScenarioDerived

A remote attacker could access resources or perform actions without proper authorization checks by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

The MasterStudy LMS plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the search_posts function in all versions up to, and including, 3.2.13. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. The MasterStudy LMS plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the search_posts function in all versions up to, and including, 3.2.13. This makes it possible for authenticated attackers, with subscriber-level access and above, to expose draft post titles and excerpts. Affected products include: Stylemixthemes Masterstudy Lms.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

DescriptionCVE.org

The MasterStudy LMS plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the search_posts function in all versions up to, and including, 3.2.13. This makes it possible for authenticated attackers, with subscriber-level access and above, to expose draft post titles and excerpts.

Threat Intelligence Overview

EPSS Score
0.3%
Top 48% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:stylemixthemes:masterstudy_lms:*:*:*:*:*:wordpress:*:*
CVE-2024-1512 CRITICAL POC
9.8 Feb 17

The MasterStudy LMS WordPress Plugin - for Online Courses and Education plugin for WordPress is vulnerable to union base

CVE-2024-3136 CRITICAL POC
9.8 Apr 09

The MasterStudy LMS plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3

CVE-2022-0441 CRITICAL POC
9.8 Mar 07

The MasterStudy LMS WordPress plugin before 2.7.6 does to validate some parameters given when registering a new account,

CVE-2024-5973 HIGH POC
8.8 Jul 22

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.3.24 does not prevent students from creating instructor a

CVE-2023-4278 HIGH POC
7.5 Sep 11

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.0.18 does not have proper checks in place during registra

CVE-2024-2411 CRITICAL
9.8 Mar 29

The MasterStudy LMS plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 3.3

CVE-2024-2409 CRITICAL
9.8 Mar 29

The MasterStudy LMS plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.3

CVE-2024-37094 CRITICAL
9.8 Nov 01

Missing Authorization vulnerability in StylemixThemes MasterStudy LMS allows Exploiting Incorrectly Configured Access Co

CVE-2026-78284 HIGH
8.6 Aug 24

Unauthenticated arbitrary file deletion in the MasterStudy LMS WordPress plugin (versions ≤ 3.7.42) allows remote, unaut

CVE-2026-40766 HIGH
8.5 Jun 15

SQL injection in the MasterStudy LMS WordPress plugin (versions 3.7.25 and earlier) allows authenticated users at the Su

CVE-2026-88848 MEDIUM POC
4.2 Sep 25

Authenticated MasterStudy LMS members can bypass membership-plan restrictions to enroll in paid courses outside their pl

CVE-2026-73404 MEDIUM
6.5 Aug 18

Broken Access Control in the MasterStudy LMS WordPress plugin (versions up to and including 3.7.41) permits any authenti

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