{"id":"CVE-2026-81198","aliases":["EUVD-2026-69851","GHSA-573w-cgmm-9w7h"],"status":"published","title":"MasterStudy LMS \u003c 3.7.46 - Instructor+ Cross-Course Curriculum Deletion and Tampering via IDOR","description":"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.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00318,"percentile":0.25087,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-02T06:00:22Z","modified":"2026-09-03T17:50:37Z","products":[{"vendor":"unknown","product":"masterstudy lms wordpress plugin"}],"references":[{"url":"https://wpscan.com/vulnerability/424b3a47-78fe-4c95-a317-c1deaf2b7b0c/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81198"},{"url":"https://wpscan.com/vulnerability/424b3a47-78fe-4c95-a317-c1deaf2b7b0c"},{"url":"https://github.com/advisories/GHSA-573w-cgmm-9w7h"}],"sources":{"cve":[{"id":"CVE-2026-81198","title":"MasterStudy LMS \u003c 3.7.46 - Instructor+ Cross-Course Curriculum Deletion and Tampering via IDOR","description":"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.","status":"published","published":"2026-09-02T06:00:22.114Z","modified":"2026-09-02T10:45:55.449Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-69851","description":"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.","status":"published","published":"2026-09-02T06:00:22Z","modified":"2026-09-02T10:45:55Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"updated_at":"2026-11-02T18:01:16.444637Z"}],"ghsa":[{"id":"GHSA-573w-cgmm-9w7h","title":"The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.46 does not properly verify...","description":"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.","status":"published","published":"2026-09-02T06:31:16Z","modified":"2026-09-02T12:31:29Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:11:16.032844Z"}],"nvd":[{"id":"CVE-2026-81198","description":"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.","status":"published","published":"2026-09-02T06:17:18.967Z","modified":"2026-09-03T17:50:37.69Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:43.399612Z"}]}}