{"id":"CVE-2021-24455","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-24455","generatedAt":"2026-10-28T02:58:46.059Z","title":"This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.","description":"The Tutor LMS – eLearning and online course solution WordPress plugin before 1.9.2 did not escape the Summary field of Announcements (when outputting it in an attribute), which can be created by users as low as Tutor Instructor. This lead to a Stored Cross-Site Scripting issue, which is triggered when viewing the Announcements list, and could result in privilege escalation when viewed by an admin.","published":"2021-08-02T11:15:09.000Z","lastModified":"2026-06-17T03:40:04.000Z","status":"Modified","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["themeum/tutor lms"],"epss":{"score":0.00747,"percentile":0.54572,"date":"2026-10-26","history":[]},"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 (0.75%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://wpscan.com/vulnerability/9ef14cf1-1e04-4125-a296-9aa5388612f9","tags":["Exploit","Third Party Advisory"],"source":"contact@wpscan.com"},{"url":"https://wpscan.com/vulnerability/9ef14cf1-1e04-4125-a296-9aa5388612f9","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-24455","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."}