CVE-2020-9447

Public Exploit

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.30%
Third-Party Advisory github.com Third-Party Advisory coresecurity.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/manolo/gwtupload/issues/32 third party advisory issue tracking exploit
https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionality third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-9447?
CVE-2020-9447 has been scored as a medium severity vulnerability.
How to fix CVE-2020-9447?
To fix CVE-2020-9447, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9447 being actively exploited in the wild?
It is possible that CVE-2020-9447 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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