CVE-2020-9447: Cross-site Scripting

February 28, 2020 (updated December 21, 2021)

There is an XSS vulnerability in GwtUpload 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.

References

nvd.nist.gov/vuln/detail/CVE-2020-9447

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