CVE-2026-81199: medium-severity vulnerability in MasterStudy LMS WordPress Plugin
MasterStudy LMS < 3.7.46 - Unauthenticated Student Statistics Disclosure via student/stats REST Route
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
48Vexday Risk Score
Patch soon. It has a working public exploit.
ssvc Attendcvss 5.3epss 0.5%
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not perform an authorization check before returning a student's learning statistics, allowing unauthenticated attackers to disclose the course counts, points, certificates, quiz and assignment totals of any registered user.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · MasterStudy LMS WordPress Pluginpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/8dd53f85-5d1b-4e0b-a0f5-8c65d89cefb5/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — MasterStudy LMS WordPress Plugin
In the same product, most dangerous first.
CVE-2023-4278HIGHMasterStudy LMS < 3.0.18 - Unauthenticated Instructor Account CreationEPSS 6.2%CVE-2024-5973CRITICALMasterStudy LMS < 3.3.24 - Privilege Escalation to InstructorEPSS 0.5%CVE-2026-88843HIGHMasterStudy LMS 3.5.29 - < 3.7.50 - Contributor+ LFI via Elementor Courses Categories WidgetEPSS 0.4%CVE-2026-81197MEDIUMMasterStudy LMS < 3.7.46 - Unauthenticated Unpublished Course Title Disclosure via course-list REST RouteEPSS 0.3%CVE-2026-81195MEDIUMMasterStudy LMS < 3.7.46 - Unauthenticated Student Enrollment Disclosure via student-courses REST RouteEPSS 0.3%CVE-2026-81340LOWMasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDOREPSS 0.3%