Vulnerability: CVE-2020-9447

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.


https://github.com/manolo/gwtupload/issues/32
https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionality
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-9447


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