CVE-2020-9447
There is an XSS (cross-site scripting) vulnerability in GwtUpload 1.0.3 in the file upload functionality.
Does this matter?
Lower severity and a low EPSS score (0.76%). Track it; it rarely justifies an emergency change on its own.
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 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.76% probability · 55th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gwtupload project/gwtupload
- Source
- cve@mitre.org
EPSS 0.8% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/manolo/gwtupload/issues/32Exploit, Issue Tracking, Third Party Advisory
- https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionalityExploit, Third Party Advisory
- https://github.com/manolo/gwtupload/issues/32Exploit, Issue Tracking, Third Party Advisory
- https://www.coresecurity.com/advisories/gwtupload-xss-file-upload-functionalityExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.