CVE-2026-78284
WordPress MasterStudy LMS plugin <= 3.7.42 - Arbitrary File Deletion vulnerability
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
WordPress MasterStudy LMS plugin <= 3.7.42 - Arbitrary File Deletion vulnerability
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
- Record
CVE-2026-78284- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2026-65159
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
- Record
EUVD-2026-65159- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-349j-547x-3rj9
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
- Record
GHSA-349j-547x-3rj9- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
NVD
Unauthenticated Arbitrary File Deletion in MasterStudy LMS <= 3.7.42 versions.
- Record
CVE-2026-78284- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-78284 is a high vulnerability (CVSS 8.6) in Stylemix Masterstudy Lms, published August 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 45th percentile. No source names a fixed version.