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CVE-2026-28145: CWE-345 Insufficient Verification of Data Authenticity in StylemixThemes MasterStudy LMS

0
Medium
VulnerabilityCVE-2026-28145cvecve-2026-28145cwe-345
Published: 07/31/2026 (07/31/2026, 13:19:39 UTC)
Source: CVE Database V5
Vendor/Project: StylemixThemes
Product: MasterStudy LMS

Description

CVE-2026-28145 is a medium severity vulnerability in StylemixThemes MasterStudy LMS affecting versions up to and including 3.7.39. It involves insufficient verification of data authenticity, which allows manipulation of user state. The vulnerability does not impact confidentiality or availability but affects integrity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.

CVSS v3.1

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected software

StylemixThemes

MasterStudy LMS

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/07/2026, 15:01:30 UTC

Technical Analysis

This vulnerability (CWE-345) in StylemixThemes MasterStudy LMS versions <=3.7.39 arises from insufficient verification of data authenticity, enabling an attacker to manipulate user state within the application. The CVSS 3.1 base score is 5.3 (medium), with network attack vector, low attack complexity, no privileges or user interaction required, and impact limited to integrity. No vendor advisory or patch information is currently provided, and no known exploits have been reported.

Potential Impact

The vulnerability allows an attacker to manipulate user state, which impacts the integrity of the affected system. There is no impact on confidentiality or availability. The medium severity score reflects the potential for unauthorized modification of user-related data or state within the LMS.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is currently documented, users should monitor vendor communications for updates. No specific mitigation steps are provided at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-02-25T12:14:24.000Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a6cac2eb597da70a833a41e

Added to database: 07/31/2026, 14:07:42 UTC

Last enriched: 08/07/2026, 15:01:30 UTC

Last updated: 09/14/2026, 22:01:33 UTC

Views: 49

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