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CVE-2026-81198lowCWE-639

MasterStudy LMS < 3.7.46 - Instructor+ Cross-Course Curriculum Deletion and Tampering via IDOR

28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 3.8epss 0.3%
exploitation probability
0.3%top 78% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.46 does not properly verify ownership of a curriculum object before acting on it, allowing authenticated users with the instructor role to delete or modify curriculum sections and materials belonging to courses owned by other instructors.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.