{"id":"CVE-2026-81338","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-81338","generatedAt":"2026-10-28T03:30:29.913Z","title":"The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to…","description":"The MasterStudy LMS WordPress Plugin  WordPress plugin before 3.7.50 does not properly sanitise and restrict HTML in user-submitted content before storing it and rendering it to other users, allowing users with subscriber-level accounts and above to perform stored HTML injection, such as embedding iframes, that can be leveraged for phishing and content spoofing against other users viewing the content.","published":"2026-09-23T06:17:02.000Z","lastModified":"2026-09-23T18:13:31.000Z","status":"Deferred","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":4.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N"},"cwe":["CWE-345"],"affected":[],"epss":{"score":0.00122,"percentile":0.01995,"date":"2026-10-26","history":[{"date":"2026-09-23","score":0.00138,"percentile":0.03524}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-09-23T12:15:05.000Z","detail":{"from":null,"score":"4.6","severity":"MEDIUM","fromSeverity":null},"summary":"Now scored CVSS 4.6 MEDIUM."},{"kind":"new","label":"New CVE","at":"2026-09-23T06:17:02.000Z","detail":{"score":null,"severity":null,"publishedAt":"2026-09-23T06:17:02.150Z"},"summary":"New CVE, medium severity (CVSS 4.6)."}],"references":[{"url":"https://wpscan.com/vulnerability/e8494c71-fb0f-4ab9-a8b7-8db3745a2d9b/","source":"contact@wpscan.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-81338","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}