CVE-2015-8856 Cross-Site Scripting in serve-index
Remote attackers can inject arbitrary web script or HTML via crafted file or directory names in the serve-index package.
- 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
- Available
What is CVE-2015-8856?
CVE-2015-8856 is a medium-severity cross-site scripting vulnerability in n/a, published on 23 Jan 2017. 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
Cross-site scripting (XSS) vulnerability in the serve-index package before 1.6.3 for Node.js allows remote attackers to inject arbitrary web script or HTML via a crafted file or directory name.
Weakness: CWE-79
Which versions are affected by CVE-2015-8856?
2 open source packages ship an affected version, including serve-index. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
serve-index npm | All versions | 1.6.3 |
serve-index npm | All versions | 1.6.3 |
Products include Openjsf Serve-Index.
How do I fix CVE-2015-8856?
Upgrade serve-index to 1.6.3 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-2015-8856 being exploited?
There is no known exploitation of CVE-2015-8856 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2015-8856, GHSA-v633-x5vv-hqwc, UBUNTU-CVE-2015-8856.