CVE-2023-44270
PostCSS line return parsing error
5.3
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
An issue was discovered in PostCSS before 8.4.31. The vulnerability affects linters using PostCSS to parse external untrusted CSS. An attacker can prepare CSS in such a way that it will contains parts parsed by PostCSS as a CSS comment. After processing by PostCSS, it will be included in the PostCSS output in CSS nodes (rules, properties) despite being included in a comment.
How to fix CVE-2023-44270
To remediate CVE-2023-44270, upgrade the affected package to a fixed version below.
- —upgrade to 8.2.1+~cs5.3.23-8+deb11u1 or later
- —upgrade to 8.4.31 or later
Is CVE-2023-44270 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 8.2.1+~cs5.3.23-8+deb11u1
- from 0, < 8.4.31
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |