7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
50.0%
The package css-what before 2.1.3 is vulnerable to Regular Expression Denial of Service (ReDoS) due to the use of insecure regular expression in the re_attr
variable of index.js. The exploitation of this vulnerability could be triggered via the parse function.
github.com/advisories/GHSA-p28h-cc7q-c4fg
github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js#23L12
github.com/fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
github.com/fb55/css-what/commit/dc510929790da6617e7aa93a616498b22f6a6b72
lists.debian.org/debian-lts-announce/2023/03/msg00001.html
nvd.nist.gov/vuln/detail/CVE-2022-21222
security.snyk.io/vuln/SNYK-JS-CSSWHAT-3035488