OS Command Injection in compile-sass

published 2020-02-24 6 y ago modified 2026-07-08 4 mo ago also GHSA-79qm-h35f-hr77 , EUVD-2021-0787

cvss: 8.2; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

compile-sass prior to 1.0.5 allows execution of arbritary commands. The function "setupCleanupOnExit(cssPath)" within "dist/index.js" is executed as part of the "rm" command without any sanitization.

Patch / fix

fixed in 2 links 1

npm compile-sass 1.0.5
compile-sass_project compile-sass 1.0.5

github.com/eiskalteschatten/compile-sass@d9ada77 commit

Exploit prediction

2.27% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

snyk.io https://snyk.io/vuln/SNYK-JS-COMPILESASS-551804 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
NVD	2.0	8.5	AV:N/AC:L/Au:N/C:C/I:P/A:N
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
npm	compile-sass	<1.0.5	1.0.5

Affected products

n/a compile-sass

Classification

Weakness

CWE-78 Improper Neutralization of Special Elements used in an OS Command

References

github.com /eiskalteschatten/compile-sass/commit/d9ada7797ff93875b6466dea7a78768e90a0f8d2
web, patch, third-party-advisory
snyk.io /vuln/SNYK-JS-COMPILESASS-551804
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2019-10799
advisory
github.com /eiskalteschatten/compile-sass
package
snyk.io /vuln/SNYK-JS-RPI-548942
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary