{"id":"CVE-2021-36440","details":"Unrestricted File Upload in ShowDoc v2.9.5 allows remote attackers to execute arbitrary code via the 'file_url' parameter in the component AdminUpdateController.class.php'.","aliases":["GHSA-c442-3278-rhrg"],"modified":"2026-04-12T00:39:44.706401Z","published":"2021-09-08T21:15:10.657Z","references":[{"type":"REPORT","url":"https://github.com/star7th/showdoc/issues/1406"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/star7th/showdoc","events":[{"introduced":"0"},{"last_affected":"149f8602a75bdaa5a99aaf8418aa11990f5c03f5"}],"database_specific":{"source":"CPE_FIELD","cpe":"cpe:2.3:a:showdoc:showdoc:2.9.5:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"2.9.5"}]}}],"versions":["2.8.14","v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.0.5","v1.1.0","v1.1.1","v1.1.2","v1.1.3","v1.1.4","v1.1.5","v1.2.3","v1.2.4","v1.2.5","v1.2.6","v1.3.0","v1.3.1","v1.3.2","v1.3.3","v1.3.4","v1.3.5","v1.3.6","v1.3.7","v1.3.8","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v1.4.7","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.6.0","v1.6.1","v1.6.2","v1.7.0","v1.7.1","v1.8.0","v1.8.1","v1.8.2","v1.8.3","v1.8.4","v1.8.5","v1.8.6","v2.0","v2.0.1","v2.0.10","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","v2.0.8","v2.0.9","v2.1.0","v2.1.1","v2.1.2","v2.1.3","v2.1.4","v2.2.0","v2.2.1","v2.2.2","v2.3.0","v2.3.3","v2.4.0","v2.4.1","v2.4.10","v2.4.11","v2.4.12","v2.4.13","v2.4.15","v2.4.16","v2.4.17","v2.4.2","v2.4.3","v2.4.5","v2.4.6","v2.4.8","v2.4.9","v2.5.1","v2.5.2","v2.5.3","v2.5.5","v2.6.1","v2.6.2","v2.6.3","v2.6.5","v2.6.6","v2.6.7","v2.7.0","v2.7.1","v2.8.0","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.13","v2.8.15","v2.8.16","v2.8.2","v2.8.3","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9","v2.9.0","v2.9.1","v2.9.2","v2.9.3","v2.9.4","v2.9.5"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-36440.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}