{"schemaVersion":3,"id":"CVE-2026-88845","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not perform any capability or nonce checks on an administrative maintenance action, allowing any authenticated user, such as a subscriber, to trigger it and create published content on the site attributed to their own account.","dates":{"published":"2026-09-24T06:00:18.214Z","modified":"2026-09-24T10:41:55.168Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"wordfence","score":4.3,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00152,"percentile":0.03945,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-09-24T00:00:00.000Z","score":0.00132,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00152,"percentile":0.03945}],"last30":[{"date":"2026-09-24T00:00:00.000Z","score":0.00132,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00152,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00152,"percentile":0.03945}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_C91AA131598C7E77","name":"Exploit Reference (wpscan.com)","source":"reference","url":"https://wpscan.com/vulnerability/a1693fd3-7ba9-4a59-99ea-7f9fd00a9de1/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-862","name":"Missing Authorization","description":"The product does not perform an authorization check when an actor attempts to access a resource or perform an action.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/862.html"}],"affected":[{"vendor":"unknown","product":"masterstudy lms wordpress plugin","name":"MasterStudy LMS WordPress Plugin","label":"masterstudy lms wordpress plugin","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 2.3.0, < 3.7.50","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.3.0, < 3.7.50","eol":null,"hubHref":"/vendor/unknown/masterstudy_lms_wordpress_plugin"},{"vendor":"wordpress","product":"masterstudy-lms-learning-management-system","name":"MasterStudy LMS WordPress Plugin – for Online Courses and Education","label":"masterstudy-lms-learning-management-system","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 3.7.49 (fixed in 3.7.50)","noFixRecorded":false,"fixedIn":"3.7.50"}],"versionsText":"≤ 3.7.49 (fixed in 3.7.50)","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://wpscan.com/vulnerability/a1693fd3-7ba9-4a59-99ea-7f9fd00a9de1/","label":"wpscan.com/vulnerability/a1693fd3-7ba9-4a59-99ea-7f9fd00a9de1/","hostname":"wpscan.com","tags":["Exploit","VDB Entry","Technical Description"]},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/1f32008c-4a41-4b3a-8701-e2d950fca1b5","label":"www.wordfence.com/threat-intel/vulnerabilities/id/1f32008c-4a41-4b3a-8701-e2d950fca1b5","hostname":"www.wordfence.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-09-24T06:00:18.214Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-09-24T10:41:55.168Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T13:29:24.532Z","stale":false,"partial":false}}