{"id":"CVE-2026-82849","state":"PUBLISHED","title":"Masteriyo LMS < 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.","publishedAt":"2026-09-24T06:00:17.092Z","updatedAt":"2026-09-24T10:41:55.687Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Masteriyo LMS"],"affected":[{"vendor":"Unknown","product":"Masteriyo LMS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.4.2","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/8114501a-3591-4d8c-b73e-a598756d45d7/"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82849.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82849","state":"PUBLISHED","datePublished":"2026-09-24T06:00:17.092Z","dateUpdated":"2026-09-24T10:41:55.687Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-08-31T08:27:29.561Z"},"containers":{"cna":{"title":"Masteriyo LMS < 3.4.2 - Subscriber+ Arbitrary User Course Progress Disclosure via IDOR","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Unknown","product":"Masteriyo LMS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"3.4.2","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/8114501a-3591-4d8c-b73e-a598756d45d7/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-639 Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-24T06:00:17.092Z"},"credits":[{"lang":"en","value":"Karthik Ramakrishnan","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":4.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"id":"CVE-2026-82849","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-09-24T10:35:56.760373Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","type":"CWE","description":"CWE-639 Authorization Bypass Through User-Controlled Key"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-24T10:41:55.687Z"}}]}}}