Vulnerability · Published Sep 2, 2026 · Assigned by WPScan
CVE-2026-81196MasterStudy LMS < 3.7.46 - Instructor+ Quiz Answer Disclosure via IDOR
Low 2.7
In plain English
A low-severity authorization bypass via user-controlled key in MasterStudy LMS WordPress Plugin from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.3%top 77.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify ownership of quiz question identifiers, allowing users with instructor access to read other instructors' quiz questions, including the correct answers and explanations.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | MasterStudy LMS WordPress Plugin | 0 – before 3.7.46 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
References
- https://wpscan.com/vulnerability/d11acb84-6dd0-4229-ac30-dba3ad6b9614/ exploit, vdb-entry, technical-description