CVE-2016-10548 Arbitrary Code Injection in reduce-css-calc
Attackers can execute arbitrary code or inject scripts via crafted CSS input in the reduce-css-calc library, affecting both server and client environments.
- 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-2016-10548?
CVE-2016-10548 is a medium-severity code injection vulnerability in HackerOne reduce-css-calc node module, published on 31 May 2018. 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
Arbitrary code execution is possible in reduce-css-calc node module <=1.2.4 through crafted css. This makes cross sites scripting (XSS) possible on the client and arbitrary code injection possible on the server and user input is passed to the `calc` function.
Which versions are affected by CVE-2016-10548?
2 open source packages ship an affected version, including reduce-css-calc. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
reduce-css-calc npm | All versions | 1.2.5 |
reduce-css-calc npm | All versions | 1.2.5 |
Products include Reduce-Css-Calc Project Reduce-Css-Calc.
How do I fix CVE-2016-10548?
Upgrade reduce-css-calc to 1.2.5 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2016-10548 being exploited?
There is no known exploitation of CVE-2016-10548 in the wild and no public exploit code.
Sources
Also known as GHSA-4662-j96g-mv46.