VulnerabilityDeferred

CVE-2026-28145

Insufficient Verification of Data Authenticity vulnerability in StylemixThemes MasterStudy LMS allows Manipulating User State.

MEDIUM 5.3EPSS 0.16%

Does this matter?

Lower severity and a low EPSS score (0.16%). Track it; it rarely justifies an emergency change on its own.

Description

Insufficient Verification of Data Authenticity vulnerability in StylemixThemes MasterStudy LMS allows Manipulating User State. This issue affects MasterStudy LMS: from n/a through 3.7.39.

CVSS 3.1: 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.16% probability · 5th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-345
Source: audit@patchstack.com

EPSS trend

EPSS 0.2% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-39-broken-access-control-vulnerability?_s_id=cve

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.