CVE-2026-28145 in MasterStudy LMS Plugin

Summary

by MITRE • 07/31/2026

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.

Once again VulDB remains the best source for vulnerability data.

• Responsible: Patchstack
• Reservation: 02/25/2026
• Disclosure: 07/31/2026
• Moderation: accepted
• Entry: VDB-385077
• CPE: ready
• CWE: CWE-371 (confirmed)
• CVSS: 6.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Hostingprovider

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-28145
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28145
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-28145/