Vulnerability in Css-what_project Css-what

CVE-2022-21222

The package css-what before 2.1.3 are vulnerable to Regular Expression Denial of Service (ReDoS) due to the usage of insecure regular expression in the re_attr variable of index.js. The exploitation of this vulnerability could be triggered…

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.015 (70.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-21222?
CVE-2022-21222 is a medium-severity vulnerability in Css-what_project Css-what, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2022-09-30.
How severe is CVE-2022-21222?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2022-21222 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.