{"schema":"threatline.record/2","record":{"id":"CVE-2026-88847","aliases":[],"summary":"MasterStudy LMS < 3.7.50 - Subscriber+ Lesson Completion Record Creation","details":"The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not verify that a user is enrolled in a course before recording lesson completions against it, allowing any authenticated user, such as a subscriber, to create course progress records for courses they have no access to.","categories":["Applications & CMS"],"product":"MasterStudy LMS WordPress Plugin","vendor":"Unknown","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-88847","source_modified_at":"2026-09-24T10:41:54.895Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"MasterStudy LMS WordPress Plugin","vendor":"Unknown","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"3.7.50"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-88847","source_modified_at":"2026-09-24T10:41:54.895Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"MasterStudy LMS WordPress Plugin","ecosystem":null},"version":"3.7.50","basis":"first unaffected version stated in the CVE record"}],"cvss":4.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00152,"percentile":0.04014,"score_date":"2026-10-23"},"published_at":"2026-09-24T06:00:18.553Z","modified_at":"2026-09-24T10:41:54.895Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-88847","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-09-24T10:41:54.895Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-88847","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://wpscan.com/vulnerability/c42e9b3a-5a0d-4e16-b18a-4184c09bcb5a/","tags":["exploit","vdb-entry","technical-description"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-09-24T10:34:24.594406Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-09-24T10:41:54.895Z","content_hash":"da14ada16d2f7cdb6c2146ea455abb1615283bcfbe0d059a5a37efde7cb50a94"}}