CVE-2026-28145: WordPress MasterStudy LMS plugin <= 3.7.39 - Broken Access Control vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-31 · updated 2026-10-23
Weakness: CWE-345

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.

Affected products

MasterStudy LMS WordPress Plugin: through 3.7.39

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

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