8.6High

CVE-2026-78284WordPress MasterStudy LMS plugin <= 3.7.42 - Arbitrary File Deletion vulnerability

Stylemix MasterStudy LMS Published: 2026-08-25 00:31 (2 months ago)

Description

Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.

Weakness (CWE): CWE-22

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
Stylemix	MasterStudy LMS	≤ 3.7.42

References and patches

https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wor… vdb-entry

CVSS score

8.6High

Source: Patchstack · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Changed
Confidentiality: None
Integrity: None
Availability: High

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

All scores (2)

cna	CVSS 3.1	8.6High
audit@patchstack.com	CVSS 3.1	8.6High

EPSS (chance of exploitation in 30 days)

0.53%

higher than 46% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: yes
Technical impact: partial

Timeline

ID reserved2026-08-24
Published2026-08-25 00:31
Reached IP-DB2026-10-24 23:47
Last updated2026-10-12 18:10

Assigned by (CNA): Patchstack
NVD status: Deferred

View at source: CVE.org · NVD

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