{"id":"CVE-2021-20280","details":"Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks in moodle before 3.10.2, 3.9.5, 3.8.8, 3.5.17.","aliases":["BIT-moodle-2021-20280","GHSA-x2jp-hh65-4xvf"],"modified":"2026-07-08T06:00:31.790029655Z","published":"2021-03-15T22:15:13.203Z","database_specific":{"unresolved_ranges":[{"source":"CPE_STRING","vendor_product":"fedoraproject:fedora","cpes":["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"32"},{"last_affected":"32"},{"introduced":"33"},{"last_affected":"33"},{"introduced":"34"},{"last_affected":"34"}]}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AFSNJ7XHVTC52RSRX2GBQFF3VEEAY2MS/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FGOMHMYM3WICJ6D6U22Z6LPJGT5A6MZM/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UFH5DDMU5TZ3JT4Q52WMRAHACA5MHIMT/"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1939037"},{"type":"FIX","url":"https://moodle.org/mod/forum/discuss.php?d=419651"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/164817/Moodle-Cross-Site-Scripting-Server-Side-Request-Forgery.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/moodle/moodle","events":[{"introduced":"46574904afd39578fa4146bf1fc5c401ac680aa6"},{"fixed":"5a1b6a9d50f5af06ac03fd9022c3fd4d23f60602"},{"introduced":"f968cd44e8ee5d54b1bc56823040ff770dbf18af"},{"fixed":"6f7e3ca2f7e853a183559cfb6d10fa0eb8fc6877"},{"introduced":"500c131eb49771e36f68d151dfa37fef5a9bc2df"},{"fixed":"02a2e649e92d570c7fa735bf05f69b588036f761"},{"introduced":"ec58cefefb2722f61f77c9a2b6a12d40a8c078a0"},{"fixed":"15f3dddd042a3af82120df91e835c75bf840d2e1"}],"database_specific":{"cpe":"cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"3.5.0"},{"fixed":"3.5.17"},{"introduced":"3.8.0"},{"fixed":"3.8.8"},{"introduced":"3.9.0"},{"fixed":"3.9.5"},{"introduced":"3.10.0"},{"fixed":"3.10.2"}],"source":"CPE_RANGE"}}],"versions":["v3.5.16","v3.8.7","v3.10.1","v3.9.4","v3.9.3","v3.5.15","v3.8.6","v3.10.0","v3.9.2","v3.8.5","v3.5.14","v3.5.13","v3.8.4","v3.9.1","v3.9.0","v3.8.3","v3.5.12","v3.8.2","v3.5.11","v3.5.10","v3.8.1","v3.8.0","v3.5.9","v3.5.8","v3.5.7","v3.5.6","v3.5.5","v3.5.4","v3.5.3","v3.5.2","v3.5.1","v3.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-20280.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"}]}