CVE-2019-5422 Cross-Site Scripting in buttle
An XSS vulnerability in the buttle npm package allows attackers to execute arbitrary code in victims' browsers by creating files on the server.
- 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-2019-5422?
CVE-2019-5422 is a medium-severity cross-site scripting vulnerability in Npm, Inc. buttle, published on 3 Apr 2019. 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
XSS in buttle npm package version 0.2.0 causes execution of attacker-provided code in the victim's browser when an attacker creates an arbitrary file on the server.
Weakness: CWE-79
Which versions are affected by CVE-2019-5422?
2 open source packages ship an affected version, including buttle. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
buttle npm | All versions to 0.2.0 | None |
buttle npm | All versions to 0.2.0 | None |
Products include Buttle Project Buttle.
How do I fix CVE-2019-5422?
No fix has been published for CVE-2019-5422 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-2019-5422 being exploited?
There is no known exploitation of CVE-2019-5422 in the wild and no public exploit code.
Other vulnerabilities in Npm, Inc. buttle
Sources
Also known as GHSA-gm29-35c7-8cfw.