{"id":"CVE-2026-82850","aliases":["EUVD-2026-85799","GHSA-9g29-72xr-rc7p"],"status":"published","title":"Masteriyo LMS \u003c 3.4.2 - Subscriber+ Quiz Answer Key Disclosure","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.","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":0.00171,"percentile":0.06562,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-09-24T06:00:17Z","modified":"2026-09-24T14:42:02Z","products":[{"vendor":"unknown","product":"masteriyo lms"}],"references":[{"url":"https://wpscan.com/vulnerability/b26150aa-9220-4eb3-a160-0f5301faacc7/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-82850"},{"url":"https://wpscan.com/vulnerability/b26150aa-9220-4eb3-a160-0f5301faacc7"},{"url":"https://github.com/advisories/GHSA-9g29-72xr-rc7p"}],"sources":{"cve":[{"id":"CVE-2026-82850","title":"Masteriyo LMS \u003c 3.4.2 - Subscriber+ Quiz Answer Key Disclosure","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.","status":"published","published":"2026-09-24T06:00:17.266Z","modified":"2026-09-24T10:41:55.547Z","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-200"],"updated_at":"2026-11-02T13:40:46.161838Z"}],"euvd":[{"id":"EUVD-2026-85799","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.","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-9g29-72xr-rc7p","title":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys,...","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.","status":"published","published":"2026-09-24T06:31:15Z","modified":"2026-09-24T12:32:24Z","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-200"],"updated_at":"2026-11-02T15:12:22.2852Z"}],"nvd":[{"id":"CVE-2026-82850","description":"The Masteriyo LMS  WordPress plugin before 3.4.2 does not restrict access to quiz answer keys, allowing any authenticated user, such as a student, to retrieve the correct answers for any quiz on the site, including quizzes in courses they are not enrolled in. The redaction that hides them is applied only to a fixed list of question types, so the answers to every other type are returned in full to anyone able to view the questions.","status":"published","published":"2026-09-24T06:17:01.77Z","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-200"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}