{"id":"CVE-2026-82846","state":"PUBLISHED","title":"Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields","description":"The Masteriyo LMS  WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator.","publishedAt":"2026-09-05T06:00:06.979Z","updatedAt":"2026-09-06T10:39:07.360Z","severity":{"score":6.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"WPScan","products":["Unknown Masteriyo LMS"],"affected":[{"vendor":"Unknown","product":"Masteriyo LMS","defaultStatus":"unaffected","versions":[{"version":"1.18.0","status":"affected","lessThan":"3.4.0","versionType":"semver"}]}],"references":["https://wpscan.com/vulnerability/0ee2052c-90a8-4b98-947a-adc55feb1de7/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:15.269Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/82xxx/CVE-2026-82846.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82846","state":"PUBLISHED","datePublished":"2026-09-05T06:00:06.979Z","dateUpdated":"2026-09-06T10:39:07.360Z","assignerShortName":"WPScan","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateReserved":"2026-08-31T08:27:24.103Z"},"containers":{"cna":{"title":"Masteriyo LMS 1.18.0 - 2.3.3 - Instructor+ Stored XSS via Course Custom Fields","descriptions":[{"lang":"en","value":"The Masteriyo LMS  WordPress plugin before 3.4.0 does not sanitise and escape some course settings before outputting them in a page available to all visitors, allowing users with a course-author role to perform Stored Cross-Site Scripting attacks that run in the session of anyone viewing the course, including a logged-in administrator."}],"affected":[{"vendor":"Unknown","product":"Masteriyo LMS","defaultStatus":"unaffected","versions":[{"version":"1.18.0","status":"affected","lessThan":"3.4.0","versionType":"semver"}]}],"references":[{"url":"https://wpscan.com/vulnerability/0ee2052c-90a8-4b98-947a-adc55feb1de7/","tags":["exploit","vdb-entry","technical-description"]}],"problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"WPScan","orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","dateUpdated":"2026-09-05T06:00:06.979Z"},"credits":[{"lang":"en","value":"Mutantgun","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":6.8,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"HIGH","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-06T10:30:32.252678Z","id":"CVE-2026-82846","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","type":"CWE","lang":"en","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-06T10:39:07.360Z"}}]}}}