{"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":"2026-04-10T04:32:07.806376Z","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":"0"},{"last_affected":"eb17367ddffc08ab9d7638b47b3ab700f232cd1e"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"4.8.4"}]}}],"versions":["4.2.0","4.3.0","4.4.0","4.4.1","4.5.0","4.5.1","4.5.2","4.6.0","4.6.0-beta","4.6.0-beta.2","4.6.0-beta.3","4.7.0","4.7.0-beta","4.7.0-beta.2","4.7.0-beta.3","4.7.0-rc.1","4.7.2","4.8.0-beta.2","4.8.1","4.8.2","4.8.3","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"}]}