CVE-2024-43800 serve-static affected by template injection that can lead to XSS
An attacker can execute untrusted code via template injection in serve-static, potentially leading to XSS, affecting Node.js applications using this library.
- 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-2024-43800?
CVE-2024-43800 is a medium-severity cross-site scripting vulnerability in expressjs serve-static, published on 10 Sep 2024. 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
serve-static serves static files. serve-static passes untrusted user input - even after sanitizing it - to redirect() may execute untrusted code. This issue is patched in serve-static 1.16.0.
Weakness: CWE-79
Which versions are affected by CVE-2024-43800?
4 open source packages ship an affected version, including serve-static. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
serve-static npm | All versions | 1.16.0 |
serve-static npm | All versions | 1.16.0 |
serve-static npm | From 2.0.0 | 2.1.0 |
serve-static npm | From 2.0.0 | 2.1.0 |
Products include Openjsf Serve-Static.
How do I fix CVE-2024-43800?
Upgrade serve-static to a fixed version for your release line: 1.16.0 or 2.1.0.
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-2024-43800 being exploited?
There is no known exploitation of CVE-2024-43800 in the wild and no public exploit code.
Sources
Also known as AZL-49094, AZL-49147, AZL-49155, CLSA-2026-1784856192, CLSA-2026-1792490203, DEBIAN-CVE-2024-43800 and 4 more.