{"id":"CVE-2020-9447","aliases":["GHSA-5chj-xprr-7qqx"],"url":"https://o3.security/vulnerability/CVE-2020-9447","summary":"Cross-site Scripting in GwtUpload","details":"There is an XSS (cross-site scripting) vulnerability in GwtUpload 1.0.3 in the file upload functionality. Someone can upload a file with a malicious filename, which contains JavaScript code, which would result in XSS. Cross-site scripting enables attackers to steal data, change the appearance of a website, and perform other malicious activities like phishing or drive-by hacking.","published":"2020-02-28T16:15:11.087Z","modified":"2026-07-08T17:57:10.485435Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Maven","name":"com.googlecode.gwtupload:gwtupload","fixedVersion":null}],"fix":null,"references":[{"type":"REPORT","url":"https://github.com/manolo/gwtupload/issues/32"},{"type":"EVIDENCE","url":"https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionality"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T17:57:10.485435Z"}}