CVE-2026-88848

MasterStudy LMS 1.9 - < 3.7.50 - Subscriber+ Membership Plan Quota and Category Restriction Bypass

Published Sep 25, 2026 CVSS 3.1 · 4.2 Medium EPSS < 1% KEV · Not listed
Description
The MasterStudy LMS WordPress plugin from 1.9 before 3.7.50 does not verify that a course a member asks to enrol in is covered by their membership plan, nor that the plan identifier submitted with the request is one they actually hold, allowing any member to enrol themselves into restricted paid courses outside their plan and beyond the number of courses it entitles them to.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions masterstudy Lms
Vendors & Products Wordpress-extensions
Wordpress-extensions masterstudy Lms
Type Values Removed Values Added
Weaknesses CWE-863
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-284
Type Values Removed Values Added
Description The MasterStudy LMS WordPress plugin from 1.9 before 3.7.50 does not verify that a course a member asks to enrol in is covered by their membership plan, nor that the plan identifier submitted with the request is one they actually hold, allowing any member to enrol themselves into restricted paid courses outside their plan and beyond the number of courses it entitles them to.
Title MasterStudy LMS 1.9 - < 3.7.50 - Subscriber+ Membership Plan Quota and Category Restriction Bypass
References
Metrics cvssV3_1

{'score': 4.2, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
WPScan
Published
Updated
Sep 25, 2026, 12:40 PM
Reserved
Sep 10, 2026, 9:58 AM
Status
Deferred
Published
Sep 25, 2026, 9:17 AM
Modified
Sep 25, 2026, 1:25 PM