Arbitrary Code Injection in reduce-css-calc

Also known as GHSA-4662-j96g-mv46

Published 8 y ago 2018-05-31 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.1

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.2%

percentile 68%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.19% probability of exploitation in the next 30 days, higher than 68% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	6.1	`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`

Affected packages

Ecosystem	Package	Affected	Fixed in
npm	`reduce-css-calc`	<1.2.5	1.2.5

Affected products

HackerOne reduce-css-calc node module

Classification

Weakness

CWE-94 Improper Control of Generation of Code
CWE-79 Improper Neutralization of Input During Web Page Generation

References

gist.github.com /ChALkeR/415a41b561ebea9b341efbb40b802fc9 · x_refsource_MISC, x_transferred
nodesecurity.io /advisories/144 · x_refsource_MISC, x_transferred
nvd.nist.gov /vuln/detail/CVE-2016-10548 · advisory
github.com /advisories/GHSA-4662-j96g-mv46 · advisory
npmjs.com /advisories/144 · web

Sources

CVE List: CVE-2016-10548
GitHub Advisory: GHSA-4662-j96g-mv46
NVD: CVE-2016-10548

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary