Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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 via the parse function.

Published

2022-09-30T05:15:08.713

Last Modified

2025-05-20T16:15:21.037

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Primary
CWE-1333
Type: Secondary
CWE-1333

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	css-what_project	css-what	< 2.1.3	Yes

References

https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12 Broken Link, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html ([email protected])
https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488 Exploit, Third Party Advisory ([email protected])
https://github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12 Broken Link, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/03/msg00001.html (af854a3a-2127-422b-91ae-364da2661108)
https://security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488 Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)