MasterStudy LMS - Security Vulnerability (CVE-2026-78284)
CVE-2026-78284
Unauthenticated Arbitrary File Deletion in MasterStudy LMS
CVE-2026-78284
CVE-2026-78284
Unauthenticated Arbitrary File Deletion in MasterStudy LMS
CVE-2026-78284
Machine-generated threat intelligence
AI Updated 6 days ago
AI enriched 6 days ago (2026-08-29 13:09 UTC)
Unauthenticated Arbitrary File Deletion in MasterStudy LMS
Severity is HIGH (CVSS 8.6). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.
Exploitability is assessed as High based on low-bar exploit prerequisites.
Primary risk drivers: low-bar exploit prerequisites
Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.
Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.
AI risk score 83/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.
Patch promptly The consequence is significant even where an attacker needs a foothold first.
Update MasterStudy LMS to the latest available version.
Where the vendor has not published a fix yet, disable the plugin until they do.
No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.
Scan your site to see whether it runs MasterStudy LMS, and at which version.
Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.
You are affected if your site runs MasterStudy LMS. No account is needed to exploit this, so a public site is reachable by anyone.
Update MasterStudy LMS to the latest available version. Where the vendor has not yet published a fix, remove or disable the plugin until they do.