{"id":"CVE-2021-32478","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-32478","generatedAt":"2026-10-28T02:58:51.433Z","title":"The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks.","description":"The redirect URI in the LTI authorization endpoint required extra sanitizing to prevent reflected XSS and open redirect risks. Moodle versions 3.10 to 3.10.3, 3.9 to 3.9.6, 3.8 to 3.8.8 and earlier unsupported versions are affected.","published":"2022-03-11T18:15:20.000Z","lastModified":"2026-06-17T03:53:02.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79","CWE-601"],"affected":["moodle/moodle"],"epss":{"score":0.01128,"percentile":0.66124,"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 (1.13%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://moodle.org/mod/forum/discuss.php?d=422314","tags":["Patch","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://moodle.org/mod/forum/discuss.php?d=422314","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32478","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."}