{"id":"CVE-2021-30209","details":"Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a plug-in can be loaded in the background without any security verification, which may lead to obtaining system permissions.","modified":"2026-07-08T21:26:43.291883Z","published":"2021-04-15T14:15:17.217Z","references":[{"type":"REPORT","url":"https://github.com/textpattern/textpattern/issues/1655"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/textpattern/textpattern","events":[{"introduced":"eb17367ddffc08ab9d7638b47b3ab700f232cd1e"},{"last_affected":"eb17367ddffc08ab9d7638b47b3ab700f232cd1e"}],"database_specific":{"cpe":"cpe:2.3:a:textpattern:textpattern:4.8.4:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.8.4"},{"last_affected":"4.8.4"}],"source":"CPE_STRING"}}],"versions":["4.8.4"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30209.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}