{"id":"CVE-2020-15159","details":"baserCMS 4.3.6 and earlier is affected by Cross Site Scripting (XSS) and Remote Code Execution (RCE). This may be executed by logging in as a system administrator and uploading an executable script file such as a PHP file.The affected components are ThemeFilesController.php and UploaderFilesController.php. This is fixed in version 4.3.7.","aliases":["GHSA-673x-f5wx-fxpw"],"modified":"2026-07-09T01:07:02.391636Z","published":"2020-08-28T22:15:10.657Z","references":[{"type":"ADVISORY","url":"https://basercms.net/security/20200827"},{"type":"FIX","url":"https://github.com/baserproject/basercms/commit/16a7b3cd09a0ca355474119c76897eac2034a66d"},{"type":"FIX","url":"https://github.com/baserproject/basercms/security/advisories/GHSA-673x-f5wx-fxpw"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/baserproject/basercms","events":[{"introduced":"0"},{"last_affected":"dd534bb8c9e8bd23000594e495e73265c3f4a015"},{"fixed":"16a7b3cd09a0ca355474119c76897eac2034a66d"}],"database_specific":{"cpe":"cpe:2.3:a:basercms:basercms:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.3.6"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["4.3.6","4.3.5","4.3.3","4.3.0","4.2.4","4.2.2","4.1.2","4.1.1","4.1.0.1","4.1.0","4.0.7","4.0.6","4.0.0","3.0.7","3.0.0","3.0.1","3.0.2","3.0.4","3.0.5.1","3.0.3","4.0.0-beta","3.0.6","3.0.6-beta","3.0.5","2.1.2","2.1.0","2.0.3","2.0.2","2.0.1","2.0.0","2.0.0-beta"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-15159.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H"}]}