{"id":"CVE-2026-82849","aliases":["EUVD-2026-85798","GHSA-cgmx-54pv-6c9x"],"status":"published","title":"Masteriyo LMS \u003c 3.4.2 - Subscriber+ Arbitrary User Course Progress Disclosure via IDOR","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request owns the course-progress records being returned, allowing any authenticated user, such as a self-registered subscriber, to read another user's learning activity. The ownership check it applies is skipped whenever the requested account is not named with a non-zero value, in which case the records of every learner on the site are returned at once.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00157,"percentile":0.04901,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2026-09-24T06:00:17Z","modified":"2026-09-24T14:42:02Z","products":[{"vendor":"unknown","product":"masteriyo lms"}],"references":[{"url":"https://wpscan.com/vulnerability/8114501a-3591-4d8c-b73e-a598756d45d7/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82849"},{"url":"https://wpscan.com/vulnerability/8114501a-3591-4d8c-b73e-a598756d45d7"},{"url":"https://github.com/advisories/GHSA-cgmx-54pv-6c9x"}],"sources":{"cve":[{"id":"CVE-2026-82849","title":"Masteriyo LMS \u003c 3.4.2 - Subscriber+ Arbitrary User Course Progress Disclosure via IDOR","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request owns the course-progress records being returned, allowing any authenticated user, such as a self-registered subscriber, to read another user's learning activity. The ownership check it applies is skipped whenever the requested account is not named with a non-zero value, in which case the records of every learner on the site are returned at once.","status":"published","published":"2026-09-24T06:00:17.092Z","modified":"2026-09-24T10:41:55.687Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-85798","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request owns the course-progress records being returned, allowing any authenticated user, such as a self-registered subscriber, to read another user's learning activity. The ownership check it applies is skipped whenever the requested account is not named with a non-zero value, in which case the records of every learner on the site are returned at once.","status":"published","published":"2026-09-24T06:00:17Z","modified":"2026-09-24T10:41:55Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T17:27:59.820483Z"}],"ghsa":[{"id":"GHSA-cgmx-54pv-6c9x","title":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request...","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request owns the course-progress records being returned, allowing any authenticated user, such as a self-registered subscriber, to read another user's learning activity. The ownership check it applies is skipped whenever the requested account is not named with a non-zero value, in which case the records of every learner on the site are returned at once.","status":"published","published":"2026-09-24T06:31:15Z","modified":"2026-09-24T12:31:22Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-82849","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not verify that the user making the request owns the course-progress records being returned, allowing any authenticated user, such as a self-registered subscriber, to read another user's learning activity. The ownership check it applies is skipped whenever the requested account is not named with a non-zero value, in which case the records of every learner on the site are returned at once.","status":"published","published":"2026-09-24T06:17:01.65Z","modified":"2026-09-24T14:42:02.707Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}