MasterStudy LMS < 3.7.50 - Subscriber+ Lesson Completion Record Creation
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.
Summary
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | MasterStudy LMS WordPress Plugin | before 3.7.50 | 3.7.50 | Patch available | CNA |
- MasterStudy LMS WordPress Plugin VendorUnknown Affected before 3.7.50 Fixed in 3.7.50 Patch available CNA
Remediation
- Fix · CNA MasterStudy LMS WordPress Plugin (Unknown) Fixed in 3.7.50
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
MasterStudy LMS WordPress Plugin 3.7.50
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-60231 MasterStudy LMS 3.5.29 - < 3.7.50 - Contributor+ LFI via Elementor Courses Categories WidgetPriority LOW 34
- TI-2026-60234 MasterStudy LMS 2.3.0 - < 3.7.50 - Unauthenticated Account Creation with Registration DisabledPriority LOW 29
- TI-2026-60233 MasterStudy LMS 2.3.0 - < 3.7.50 - Subscriber+ Course and Lesson Creation via Demo ImportPriority LOW 19
Timeline
- 2026-10-02 Threatist record created from CVE-2026-88847
- 2026-10-03 Alias added: GHSA-rfcv-fvw7-7w4h
References
Sources
- CVE-2026-88847 · CVE Program
- CVE-2026-88847 · NVD
- FIRST EPSS
- GHSA-rfcv-fvw7-7w4h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences