CVE-2020-9447 Cross-site Scripting in GwtUpload
Attackers can execute arbitrary JavaScript via malicious filenames in GwtUpload, potentially stealing data or hijacking sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-9447?
CVE-2020-9447 is a medium-severity cross-site scripting vulnerability in n/a, published on 28 Feb 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2020-9447?
2 open source packages ship an affected version, including com.googlecode.gwtupload:gwtupload. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.googlecode.gwtupload:gwtupload Maven | All versions to 1.0.3 | None |
com.googlecode.gwtupload:gwtupload Maven | All versions to 1.0.3 | None |
Products include Gwtupload Project Gwtupload.
How do I fix CVE-2020-9447?
No fix has been published for CVE-2020-9447 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-9447 being exploited?
There is no known exploitation of CVE-2020-9447 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5chj-xprr-7qqx.