CVE-2018-3717 Cross-Site Scripting in connect
An XSS vulnerability in the connect Node.js module allows attackers to inject malicious scripts via unvalidated file inputs in the directory middleware.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-3717?
CVE-2018-3717 is a medium-severity cross-site scripting vulnerability in HackerOne connect node module, published on 7 Jun 2018. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
connect node module before 2.14.0 suffers from a Cross-Site Scripting (XSS) vulnerability due to a lack of validation of file in directory.js middleware.
Weakness: CWE-79
Which versions are affected by CVE-2018-3717?
2 open source packages ship an affected version, including connect. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
connect npm | All versions | 2.14.0 |
connect npm | All versions | 2.14.0 |
Products include Sencha Connect.
How do I fix CVE-2018-3717?
Upgrade connect to 2.14.0 or later.
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-2018-3717 being exploited?
There is no known exploitation of CVE-2018-3717 in the wild and no public exploit code.
Other vulnerabilities in HackerOne connect node module
Sources
Also known as CLSA-2026-1784596288, DEBIAN-CVE-2018-3717, GHSA-rch9-xh7r-mqgw.