{"cve":"CVE-2020-9447","nvd":{"published":"2020-02-28T16:15:11.087","modified":"2026-06-17T03:27:57.967","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["https://github.com/manolo/gwtupload/issues/32","https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionality","https://github.com/manolo/gwtupload/issues/32","https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionality"],"products":["gwtupload_project:gwtupload"],"source":"nvd","synced_at":"2026-10-19T21:02:53.949909883+00:00"},"epss":{"cve":"CVE-2020-9447","score":0.00759,"percentile":0.55276,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5chj-xprr-7qqx","url":"https://osv.dev/vulnerability/GHSA-5chj-xprr-7qqx","summary":"Cross-site Scripting in GwtUpload","modified":"2023-11-08T04:04:20.443469Z","packages":[{"ecosystem":"Maven","name":"com.googlecode.gwtupload:gwtupload","purl":"pkg:maven/com.googlecode.gwtupload/gwtupload","ranges":["<=1.0.3"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}