CVE-2026-81194 MasterStudy LMS < 3.7.46 - Subscriber+ Cross-Instructor Order Data Disclosure via author_id Parameter
Authenticated users can read other instructors' course sales records by manipulating the author_id parameter in MasterStudy LMS.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81194?
CVE-2026-81194 is a medium-severity missing authorization vulnerability in Unknown MasterStudy LMS WordPress Plugin, published on 2 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify authorization when retrieving order line-item data, allowing any authenticated user including Subscribers to read other instructors' course sales records by supplying another user's identifier.
Weakness: CWE-639
Which versions are affected by CVE-2026-81194?
How do I fix CVE-2026-81194?
No fix has been published for CVE-2026-81194 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-81194 being exploited?
There is no known exploitation of CVE-2026-81194 in the wild and no public exploit code.
Sources
Also known as GHSA-rj36-pvv3-3g3h.