Vulnerability · Published Sep 18, 2026 · Assigned by WPScan

CVE-2026-88844MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII 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 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.

Affected products (as reported)

Vendor	Product	Versions
Unknown	MasterStudy LMS WordPress Plugin	3.6.2 – before 3.7.50

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/13b4f5c4-db4a-4bc2-b092-07747ee790e6/ exploit, vdb-entry, technical-description