CVE-2022-21222
Regular Expression Denial of Service (ReDoS)
HIGH 7.5EPSS 1.9%
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.
- Affected
- css-what
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 SNYK
- 5.3 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - EPSS
- 1.90% chance of exploitation in the next 30 days, 79th percentile
- Published
- 2022-09-30
- Updated
- 2025-05-20
Proof-of-concept exploits (1)
Security advisories
- fb55/css-what/blob/a38effd5a8f5506d75c7f8f13cbd8c76248a3860/index.js%23L12
- advisories/GHSA-p28h-cc7q-c4fg