CVE-2023-4278 | BDVDB-2026-211582 Detail

MasterStudy LMS WordPress Plugin

Description#

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.0.18 does not have proper checks in place during registration allowing anyone to register on the site as an instructor. They can then add courses and/or posts.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-269 Improper Privilege Management

References#

Exploit#

https://wpscan.com/vulnerability/cb3173ec-9891-4bd8-9d05-24fe805b5235

History#

Version 12023-09-11Record published in the CVE List.
Version 22025-04-23Most recent update recorded in the CVE List.

Published

Published: 2023-09-11
Last modified: 2025-04-23

Vendor information

Vendor: Not stated
Product: MasterStudy LMS WordPress Plugin

Score

7.5 High

EPSS

6.2%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 93.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Privilege Escalation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 3.0.18
Fixed
3.0.18

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.5 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).